20266550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 40457232

約数和(自身を除く): 20190682

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 113, 170, 211, 226, 422, 425, 565, 850, 1055, 1130, 1921, 2110, 2825, 3587, 3842, 5275, 5650, 7174, 9605, 10550, 17935, 19210, 23843, 35870, 47686, 48025, 89675, 96050, 119215, 179350, 238430, 405331, 596075, 810662, 1192150, 2026655, 4053310, 10133275, 20266550]

約数ペア:

[(1, 20266550), (2, 10133275), (5, 4053310), (10, 2026655), (17, 1192150), (25, 810662), (34, 596075), (50, 405331), (85, 238430), (113, 179350), (170, 119215), (211, 96050), (226, 89675), (422, 48025), (425, 47686), (565, 35870), (850, 23843), (1055, 19210), (1130, 17935), (1921, 10550), (2110, 9605), (2825, 7174), (3587, 5650), (3842, 5275)]