20778081792

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{5749}}^1$

素因数の和:5964

約数の個数: 160

約数和(自身を含む): 59951892000

約数和(自身を除く): 39173810208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 181, 192, 208, 256, 312, 362, 384, 416, 512, 543, 624, 724, 768, 832, 1086, 1248, 1448, 1536, 1664, 2172, 2353, 2496, 2896, 3328, 4344, 4706, 4992, 5749, 5792, 6656, 7059, 8688, 9412, 9984, 11498, 11584, 14118, 17247, 17376, 18824, 19968, 22996, 23168, 28236, 34494, 34752, 37648, 45992, 46336, 56472, 68988, 69504, 74737, 75296, 91984, 92672, 112944, 137976, 139008, 149474, 150592, 183968, 224211, 225888, 275952, 278016, 298948, 301184, 367936, 448422, 451776, 551904, 597896, 602368, 735872, 896844, 903552, 1040569, 1103808, 1195792, 1204736, 1471744, 1793688, 1807104, 2081138, 2207616, 2391584, 2943488, 3121707, 3587376, 3614208, 4162276, 4415232, 4783168, 6243414, 7174752, 8324552, 8830464, 9566336, 12486828, 13527397, 14349504, 16649104, 19132672, 24973656, 27054794, 28699008, 33298208, 38265344, 40582191, 49947312, 54109588, 57398016, 66596416, 81164382, 99894624, 108219176, 114796032, 133192832, 162328764, 199789248, 216438352, 266385664, 324657528, 399578496, 432876704, 532771328, 649315056, 799156992, 865753408, 1298630112, 1598313984, 1731506816, 2597260224, 3463013632, 5194520448, 6926027264, 10389040896, 20778081792]

約数ペア:

[(1, 20778081792), (2, 10389040896), (3, 6926027264), (4, 5194520448), (6, 3463013632), (8, 2597260224), (12, 1731506816), (13, 1598313984), (16, 1298630112), (24, 865753408), (26, 799156992), (32, 649315056), (39, 532771328), (48, 432876704), (52, 399578496), (64, 324657528), (78, 266385664), (96, 216438352), (104, 199789248), (128, 162328764), (156, 133192832), (181, 114796032), (192, 108219176), (208, 99894624), (256, 81164382), (312, 66596416), (362, 57398016), (384, 54109588), (416, 49947312), (512, 40582191), (543, 38265344), (624, 33298208), (724, 28699008), (768, 27054794), (832, 24973656), (1086, 19132672), (1248, 16649104), (1448, 14349504), (1536, 13527397), (1664, 12486828), (2172, 9566336), (2353, 8830464), (2496, 8324552), (2896, 7174752), (3328, 6243414), (4344, 4783168), (4706, 4415232), (4992, 4162276), (5749, 3614208), (5792, 3587376), (6656, 3121707), (7059, 2943488), (8688, 2391584), (9412, 2207616), (9984, 2081138), (11498, 1807104), (11584, 1793688), (14118, 1471744), (17247, 1204736), (17376, 1195792), (18824, 1103808), (19968, 1040569), (22996, 903552), (23168, 896844), (28236, 735872), (34494, 602368), (34752, 597896), (37648, 551904), (45992, 451776), (46336, 448422), (56472, 367936), (68988, 301184), (69504, 298948), (74737, 278016), (75296, 275952), (91984, 225888), (92672, 224211), (112944, 183968), (137976, 150592), (139008, 149474)]