20509853824

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{13007}}^1$

素因数の和:13245

約数の個数: 64

約数和(自身を含む): 41608949760

約数和(自身を除く): 21099095936

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 127, 128, 194, 254, 388, 508, 776, 1016, 1552, 2032, 3104, 4064, 6208, 8128, 12319, 12416, 13007, 16256, 24638, 26014, 49276, 52028, 98552, 104056, 197104, 208112, 394208, 416224, 788416, 832448, 1261679, 1576832, 1651889, 1664896, 2523358, 3303778, 5046716, 6607556, 10093432, 13215112, 20186864, 26430224, 40373728, 52860448, 80747456, 105720896, 160233233, 161494912, 211441792, 320466466, 640932932, 1281865864, 2563731728, 5127463456, 10254926912, 20509853824]

約数ペア:

[(1, 20509853824), (2, 10254926912), (4, 5127463456), (8, 2563731728), (16, 1281865864), (32, 640932932), (64, 320466466), (97, 211441792), (127, 161494912), (128, 160233233), (194, 105720896), (254, 80747456), (388, 52860448), (508, 40373728), (776, 26430224), (1016, 20186864), (1552, 13215112), (2032, 10093432), (3104, 6607556), (4064, 5046716), (6208, 3303778), (8128, 2523358), (12319, 1664896), (12416, 1651889), (13007, 1576832), (16256, 1261679), (24638, 832448), (26014, 788416), (49276, 416224), (52028, 394208), (98552, 208112), (104056, 197104)]