20148850

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1487}}^1$

素因数の和:1770

約数の個数: 24

約数和(自身を含む): 37640448

約数和(自身を除く): 17491598

約数列:

[1, 2, 5, 10, 25, 50, 271, 542, 1355, 1487, 2710, 2974, 6775, 7435, 13550, 14870, 37175, 74350, 402977, 805954, 2014885, 4029770, 10074425, 20148850]

約数ペア:

[(1, 20148850), (2, 10074425), (5, 4029770), (10, 2014885), (25, 805954), (50, 402977), (271, 74350), (542, 37175), (1355, 14870), (1487, 13550), (2710, 7435), (2974, 6775)]