20912174928

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^2\times {\mathrm{349}}^1\times {\mathrm{433}}^1$

素因数の和:858

約数の個数: 180

約数和(自身を含む): 60787190100

約数和(自身を除く): 39875015172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 349, 372, 433, 496, 558, 698, 744, 866, 961, 1047, 1116, 1299, 1396, 1488, 1732, 1922, 2094, 2232, 2598, 2792, 2883, 3141, 3464, 3844, 3897, 4188, 4464, 5196, 5584, 5766, 6282, 6928, 7688, 7794, 8376, 8649, 10392, 10819, 11532, 12564, 13423, 15376, 15588, 16752, 17298, 20784, 21638, 23064, 25128, 26846, 31176, 32457, 34596, 40269, 43276, 46128, 50256, 53692, 62352, 64914, 69192, 80538, 86552, 97371, 107384, 120807, 129828, 138384, 151117, 161076, 173104, 194742, 214768, 241614, 259656, 302234, 322152, 335389, 389484, 416113, 453351, 483228, 519312, 604468, 644304, 670778, 778968, 832226, 906702, 966456, 1006167, 1208936, 1248339, 1341556, 1360053, 1557936, 1664452, 1813404, 1932912, 2012334, 2417872, 2496678, 2683112, 2720106, 3018501, 3328904, 3626808, 3745017, 4024668, 4684627, 4993356, 5366224, 5440212, 6037002, 6657808, 7253616, 7490034, 8049336, 9369254, 9986712, 10880424, 12074004, 14053881, 14980068, 16098672, 18738508, 19973424, 21760848, 24148008, 28107762, 29960136, 37477016, 42161643, 48296016, 56215524, 59920272, 74954032, 84323286, 112431048, 145223437, 168646572, 224862096, 290446874, 337293144, 435670311, 580893748, 674586288, 871340622, 1161787496, 1307010933, 1742681244, 2323574992, 2614021866, 3485362488, 5228043732, 6970724976, 10456087464, 20912174928]

約数ペア:

[(1, 20912174928), (2, 10456087464), (3, 6970724976), (4, 5228043732), (6, 3485362488), (8, 2614021866), (9, 2323574992), (12, 1742681244), (16, 1307010933), (18, 1161787496), (24, 871340622), (31, 674586288), (36, 580893748), (48, 435670311), (62, 337293144), (72, 290446874), (93, 224862096), (124, 168646572), (144, 145223437), (186, 112431048), (248, 84323286), (279, 74954032), (349, 59920272), (372, 56215524), (433, 48296016), (496, 42161643), (558, 37477016), (698, 29960136), (744, 28107762), (866, 24148008), (961, 21760848), (1047, 19973424), (1116, 18738508), (1299, 16098672), (1396, 14980068), (1488, 14053881), (1732, 12074004), (1922, 10880424), (2094, 9986712), (2232, 9369254), (2598, 8049336), (2792, 7490034), (2883, 7253616), (3141, 6657808), (3464, 6037002), (3844, 5440212), (3897, 5366224), (4188, 4993356), (4464, 4684627), (5196, 4024668), (5584, 3745017), (5766, 3626808), (6282, 3328904), (6928, 3018501), (7688, 2720106), (7794, 2683112), (8376, 2496678), (8649, 2417872), (10392, 2012334), (10819, 1932912), (11532, 1813404), (12564, 1664452), (13423, 1557936), (15376, 1360053), (15588, 1341556), (16752, 1248339), (17298, 1208936), (20784, 1006167), (21638, 966456), (23064, 906702), (25128, 832226), (26846, 778968), (31176, 670778), (32457, 644304), (34596, 604468), (40269, 519312), (43276, 483228), (46128, 453351), (50256, 416113), (53692, 389484), (62352, 335389), (64914, 322152), (69192, 302234), (80538, 259656), (86552, 241614), (97371, 214768), (107384, 194742), (120807, 173104), (129828, 161076), (138384, 151117)]