20123223456

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{26713}}^1$

素因数の和:26811

約数の個数: 192

約数和(自身を含む): 64626508800

約数和(自身を除く): 44503285344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 59, 76, 84, 96, 112, 114, 118, 133, 152, 168, 177, 224, 228, 236, 266, 304, 336, 354, 399, 413, 456, 472, 532, 608, 672, 708, 798, 826, 912, 944, 1064, 1121, 1239, 1416, 1596, 1652, 1824, 1888, 2128, 2242, 2478, 2832, 3192, 3304, 3363, 4256, 4484, 4956, 5664, 6384, 6608, 6726, 7847, 8968, 9912, 12768, 13216, 13452, 15694, 17936, 19824, 23541, 26713, 26904, 31388, 35872, 39648, 47082, 53426, 53808, 62776, 80139, 94164, 106852, 107616, 125552, 160278, 186991, 188328, 213704, 251104, 320556, 373982, 376656, 427408, 507547, 560973, 641112, 747964, 753312, 854816, 1015094, 1121946, 1282224, 1495928, 1522641, 1576067, 2030188, 2243892, 2564448, 2991856, 3045282, 3152134, 3552829, 4060376, 4487784, 4728201, 5983712, 6090564, 6304268, 7105658, 8120752, 8975568, 9456402, 10658487, 11032469, 12181128, 12608536, 14211316, 16241504, 17951136, 18912804, 21316974, 22064938, 24362256, 25217072, 28422632, 29945273, 33097407, 37825608, 42633948, 44129876, 48724512, 50434144, 56845264, 59890546, 66194814, 75651216, 85267896, 88259752, 89835819, 113690528, 119781092, 132389628, 151302432, 170535792, 176519504, 179671638, 209616911, 239562184, 264779256, 341071584, 353039008, 359343276, 419233822, 479124368, 529558512, 628850733, 718686552, 838467644, 958248736, 1059117024, 1257701466, 1437373104, 1676935288, 2515402932, 2874746208, 3353870576, 5030805864, 6707741152, 10061611728, 20123223456]

約数ペア:

[(1, 20123223456), (2, 10061611728), (3, 6707741152), (4, 5030805864), (6, 3353870576), (7, 2874746208), (8, 2515402932), (12, 1676935288), (14, 1437373104), (16, 1257701466), (19, 1059117024), (21, 958248736), (24, 838467644), (28, 718686552), (32, 628850733), (38, 529558512), (42, 479124368), (48, 419233822), (56, 359343276), (57, 353039008), (59, 341071584), (76, 264779256), (84, 239562184), (96, 209616911), (112, 179671638), (114, 176519504), (118, 170535792), (133, 151302432), (152, 132389628), (168, 119781092), (177, 113690528), (224, 89835819), (228, 88259752), (236, 85267896), (266, 75651216), (304, 66194814), (336, 59890546), (354, 56845264), (399, 50434144), (413, 48724512), (456, 44129876), (472, 42633948), (532, 37825608), (608, 33097407), (672, 29945273), (708, 28422632), (798, 25217072), (826, 24362256), (912, 22064938), (944, 21316974), (1064, 18912804), (1121, 17951136), (1239, 16241504), (1416, 14211316), (1596, 12608536), (1652, 12181128), (1824, 11032469), (1888, 10658487), (2128, 9456402), (2242, 8975568), (2478, 8120752), (2832, 7105658), (3192, 6304268), (3304, 6090564), (3363, 5983712), (4256, 4728201), (4484, 4487784), (4956, 4060376), (5664, 3552829), (6384, 3152134), (6608, 3045282), (6726, 2991856), (7847, 2564448), (8968, 2243892), (9912, 2030188), (12768, 1576067), (13216, 1522641), (13452, 1495928), (15694, 1282224), (17936, 1121946), (19824, 1015094), (23541, 854816), (26713, 753312), (26904, 747964), (31388, 641112), (35872, 560973), (39648, 507547), (47082, 427408), (53426, 376656), (53808, 373982), (62776, 320556), (80139, 251104), (94164, 213704), (106852, 188328), (107616, 186991), (125552, 160278)]