20934416

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 42705600

約数和(自身を除く): 21771184

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 163, 184, 326, 349, 368, 652, 698, 1304, 1396, 2608, 2792, 3749, 5584, 7498, 8027, 14996, 16054, 29992, 32108, 56887, 59984, 64216, 113774, 128432, 227548, 455096, 910192, 1308401, 2616802, 5233604, 10467208, 20934416]

約数ペア:

[(1, 20934416), (2, 10467208), (4, 5233604), (8, 2616802), (16, 1308401), (23, 910192), (46, 455096), (92, 227548), (163, 128432), (184, 113774), (326, 64216), (349, 59984), (368, 56887), (652, 32108), (698, 29992), (1304, 16054), (1396, 14996), (2608, 8027), (2792, 7498), (3749, 5584)]