20405926912

素因数分解:

$2^{10}\times 7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:267

約数の個数: 264

約数和(自身を含む): 49481230320

約数和(自身を除く): 29075303408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 59, 61, 64, 98, 112, 113, 118, 122, 128, 196, 224, 226, 236, 244, 256, 392, 413, 427, 448, 452, 472, 488, 512, 784, 791, 826, 854, 896, 904, 944, 976, 1024, 1568, 1582, 1652, 1708, 1792, 1808, 1888, 1952, 2891, 2989, 3136, 3164, 3304, 3416, 3584, 3599, 3616, 3776, 3904, 5537, 5782, 5978, 6272, 6328, 6608, 6667, 6832, 6893, 7168, 7198, 7232, 7552, 7808, 11074, 11564, 11956, 12544, 12656, 13216, 13334, 13664, 13786, 14396, 14464, 15104, 15616, 22148, 23128, 23912, 25088, 25193, 25312, 26432, 26668, 27328, 27572, 28792, 28928, 30208, 31232, 44296, 46256, 46669, 47824, 48251, 50176, 50386, 50624, 52864, 53336, 54656, 55144, 57584, 57856, 60416, 62464, 88592, 92512, 93338, 95648, 96502, 100772, 101248, 105728, 106672, 109312, 110288, 115168, 115712, 176351, 177184, 185024, 186676, 191296, 193004, 201544, 202496, 211456, 213344, 218624, 220576, 230336, 326683, 337757, 352702, 354368, 370048, 373352, 382592, 386008, 403088, 404992, 406687, 422912, 426688, 437248, 441152, 460672, 653366, 675514, 705404, 708736, 740096, 746704, 765184, 772016, 806176, 809984, 813374, 853376, 882304, 921344, 1306732, 1351028, 1410808, 1417472, 1480192, 1493408, 1530368, 1544032, 1612352, 1626748, 1706752, 1764608, 1842688, 2613464, 2702056, 2821616, 2834944, 2846809, 2960384, 2986816, 3060736, 3088064, 3224704, 3253496, 3413504, 3529216, 3685376, 5226928, 5404112, 5643232, 5669888, 5693618, 5973632, 6176128, 6449408, 6506992, 6827008, 7058432, 10453856, 10808224, 11286464, 11387236, 11947264, 12352256, 12898816, 13013984, 19927663, 20907712, 21616448, 22572928, 22774472, 23894528, 24704512, 25797632, 26027968, 39855326, 41815424, 43232896, 45145856, 45548944, 47789056, 49409024, 52055936, 79710652, 83630848, 86465792, 90291712, 91097888, 104111872, 159421304, 167261696, 172931584, 180583424, 182195776, 208223744, 318842608, 334523392, 345863168, 364391552, 416447488, 637685216, 728783104, 1275370432, 1457566208, 2550740864, 2915132416, 5101481728, 10202963456, 20405926912]

約数ペア:

[(1, 20405926912), (2, 10202963456), (4, 5101481728), (7, 2915132416), (8, 2550740864), (14, 1457566208), (16, 1275370432), (28, 728783104), (32, 637685216), (49, 416447488), (56, 364391552), (59, 345863168), (61, 334523392), (64, 318842608), (98, 208223744), (112, 182195776), (113, 180583424), (118, 172931584), (122, 167261696), (128, 159421304), (196, 104111872), (224, 91097888), (226, 90291712), (236, 86465792), (244, 83630848), (256, 79710652), (392, 52055936), (413, 49409024), (427, 47789056), (448, 45548944), (452, 45145856), (472, 43232896), (488, 41815424), (512, 39855326), (784, 26027968), (791, 25797632), (826, 24704512), (854, 23894528), (896, 22774472), (904, 22572928), (944, 21616448), (976, 20907712), (1024, 19927663), (1568, 13013984), (1582, 12898816), (1652, 12352256), (1708, 11947264), (1792, 11387236), (1808, 11286464), (1888, 10808224), (1952, 10453856), (2891, 7058432), (2989, 6827008), (3136, 6506992), (3164, 6449408), (3304, 6176128), (3416, 5973632), (3584, 5693618), (3599, 5669888), (3616, 5643232), (3776, 5404112), (3904, 5226928), (5537, 3685376), (5782, 3529216), (5978, 3413504), (6272, 3253496), (6328, 3224704), (6608, 3088064), (6667, 3060736), (6832, 2986816), (6893, 2960384), (7168, 2846809), (7198, 2834944), (7232, 2821616), (7552, 2702056), (7808, 2613464), (11074, 1842688), (11564, 1764608), (11956, 1706752), (12544, 1626748), (12656, 1612352), (13216, 1544032), (13334, 1530368), (13664, 1493408), (13786, 1480192), (14396, 1417472), (14464, 1410808), (15104, 1351028), (15616, 1306732), (22148, 921344), (23128, 882304), (23912, 853376), (25088, 813374), (25193, 809984), (25312, 806176), (26432, 772016), (26668, 765184), (27328, 746704), (27572, 740096), (28792, 708736), (28928, 705404), (30208, 675514), (31232, 653366), (44296, 460672), (46256, 441152), (46669, 437248), (47824, 426688), (48251, 422912), (50176, 406687), (50386, 404992), (50624, 403088), (52864, 386008), (53336, 382592), (54656, 373352), (55144, 370048), (57584, 354368), (57856, 352702), (60416, 337757), (62464, 326683), (88592, 230336), (92512, 220576), (93338, 218624), (95648, 213344), (96502, 211456), (100772, 202496), (101248, 201544), (105728, 193004), (106672, 191296), (109312, 186676), (110288, 185024), (115168, 177184), (115712, 176351)]