20590914988

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1277}}^1\times {\mathrm{5591}}^1$

素因数の和:6982

約数の個数: 48

約数和(自身を含む): 41621658624

約数和(自身を除く): 21030743636

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1277, 1442, 2554, 2884, 5108, 5591, 8939, 11182, 17878, 22364, 35756, 39137, 78274, 131531, 156548, 263062, 526124, 575873, 920717, 1151746, 1841434, 2303492, 3682868, 4031111, 7139707, 8062222, 14279414, 16124444, 28558828, 49977949, 99955898, 199911796, 735389821, 1470779642, 2941559284, 5147728747, 10295457494, 20590914988]

約数ペア:

[(1, 20590914988), (2, 10295457494), (4, 5147728747), (7, 2941559284), (14, 1470779642), (28, 735389821), (103, 199911796), (206, 99955898), (412, 49977949), (721, 28558828), (1277, 16124444), (1442, 14279414), (2554, 8062222), (2884, 7139707), (5108, 4031111), (5591, 3682868), (8939, 2303492), (11182, 1841434), (17878, 1151746), (22364, 920717), (35756, 575873), (39137, 526124), (78274, 263062), (131531, 156548)]