17428820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28111}}^1$

素因数の和:28151

約数の個数: 24

約数和(自身を含む): 37782528

約数和(自身を除く): 20353708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 28111, 56222, 112444, 140555, 281110, 562220, 871441, 1742882, 3485764, 4357205, 8714410, 17428820]

約数ペア:

[(1, 17428820), (2, 8714410), (4, 4357205), (5, 3485764), (10, 1742882), (20, 871441), (31, 562220), (62, 281110), (124, 140555), (155, 112444), (310, 56222), (620, 28111)]