20753096

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 28840504

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 983, 1508, 1624, 1966, 2639, 3016, 3932, 5278, 6881, 7864, 10556, 12779, 13762, 21112, 25558, 27524, 28507, 51116, 55048, 57014, 89453, 102232, 114028, 178906, 199549, 228056, 357812, 370591, 399098, 715624, 741182, 798196, 1482364, 1596392, 2594137, 2964728, 5188274, 10376548, 20753096]

約数ペア:

[(1, 20753096), (2, 10376548), (4, 5188274), (7, 2964728), (8, 2594137), (13, 1596392), (14, 1482364), (26, 798196), (28, 741182), (29, 715624), (52, 399098), (56, 370591), (58, 357812), (91, 228056), (104, 199549), (116, 178906), (182, 114028), (203, 102232), (232, 89453), (364, 57014), (377, 55048), (406, 51116), (728, 28507), (754, 27524), (812, 25558), (983, 21112), (1508, 13762), (1624, 12779), (1966, 10556), (2639, 7864), (3016, 6881), (3932, 5278)]