20388856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3821}}^1$

素因数の和:3879

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20888744

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 92, 116, 184, 232, 667, 1334, 2668, 3821, 5336, 7642, 15284, 30568, 87883, 110809, 175766, 221618, 351532, 443236, 703064, 886472, 2548607, 5097214, 10194428, 20388856]

約数ペア:

[(1, 20388856), (2, 10194428), (4, 5097214), (8, 2548607), (23, 886472), (29, 703064), (46, 443236), (58, 351532), (92, 221618), (116, 175766), (184, 110809), (232, 87883), (667, 30568), (1334, 15284), (2668, 7642), (3821, 5336)]