20112802017

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2003}}^1\times {\mathrm{2557}}^1$

素因数の和:4598

約数の個数: 64

約数和(自身を含む): 35432515584

約数和(自身を除く): 15319713567

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 2003, 2557, 3927, 6009, 7671, 14021, 17899, 22033, 28127, 34051, 42063, 43469, 53697, 66099, 84381, 102153, 130407, 154231, 196889, 238357, 304283, 374561, 462693, 478159, 590667, 715071, 912849, 1123683, 1434477, 2621927, 3347113, 5121671, 7865781, 10041339, 15365013, 35851697, 56338381, 87068407, 107555091, 169015143, 261205221, 394368667, 609478849, 957752477, 1183106001, 1828436547, 2873257431, 6704267339, 20112802017]

約数ペア:

[(1, 20112802017), (3, 6704267339), (7, 2873257431), (11, 1828436547), (17, 1183106001), (21, 957752477), (33, 609478849), (51, 394368667), (77, 261205221), (119, 169015143), (187, 107555091), (231, 87068407), (357, 56338381), (561, 35851697), (1309, 15365013), (2003, 10041339), (2557, 7865781), (3927, 5121671), (6009, 3347113), (7671, 2621927), (14021, 1434477), (17899, 1123683), (22033, 912849), (28127, 715071), (34051, 590667), (42063, 478159), (43469, 462693), (53697, 374561), (66099, 304283), (84381, 238357), (102153, 196889), (130407, 154231)]