20163861925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1\times {\mathrm{1277}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 27033104592

約数和(自身を除く): 6869242667

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 701, 901, 1277, 1325, 3505, 4505, 6385, 11917, 17525, 21709, 22525, 31925, 37153, 59585, 67681, 108545, 185765, 297925, 338405, 542725, 631601, 895177, 928825, 1150577, 1692025, 3158005, 4475885, 5752885, 15218009, 15790025, 22379425, 28764425, 47444381, 76090045, 237221905, 380450225, 806554477, 1186109525, 4032772385, 20163861925]

約数ペア:

[(1, 20163861925), (5, 4032772385), (17, 1186109525), (25, 806554477), (53, 380450225), (85, 237221905), (265, 76090045), (425, 47444381), (701, 28764425), (901, 22379425), (1277, 15790025), (1325, 15218009), (3505, 5752885), (4505, 4475885), (6385, 3158005), (11917, 1692025), (17525, 1150577), (21709, 928825), (22525, 895177), (31925, 631601), (37153, 542725), (59585, 338405), (67681, 297925), (108545, 185765)]