17728820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3271}}^1$

素因数の和:3551

約数の個数: 24

約数和(自身を含む): 37379328

約数和(自身を除く): 19650508

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3271, 5420, 6542, 13084, 16355, 32710, 65420, 886441, 1772882, 3545764, 4432205, 8864410, 17728820]

約数ペア:

[(1, 17728820), (2, 8864410), (4, 4432205), (5, 3545764), (10, 1772882), (20, 886441), (271, 65420), (542, 32710), (1084, 16355), (1355, 13084), (2710, 6542), (3271, 5420)]