20347840808

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{571}}^1\times {\mathrm{16937}}^1$

素因数の和:17777

約数の個数: 32

約数和(自身を含む): 38366602560

約数和(自身を除く): 18018761752

約数列:

[1, 2, 4, 8, 263, 526, 571, 1052, 1142, 2104, 2284, 4568, 16937, 33874, 67748, 135496, 150173, 300346, 600692, 1201384, 4454431, 8908862, 9671027, 17817724, 19342054, 35635448, 38684108, 77368216, 2543480101, 5086960202, 10173920404, 20347840808]

約数ペア:

[(1, 20347840808), (2, 10173920404), (4, 5086960202), (8, 2543480101), (263, 77368216), (526, 38684108), (571, 35635448), (1052, 19342054), (1142, 17817724), (2104, 9671027), (2284, 8908862), (4568, 4454431), (16937, 1201384), (33874, 600692), (67748, 300346), (135496, 150173)]