20974875

素因数分解:

$3^1\times 5^3\times {\mathrm{55933}}^1$

素因数の和:55951

約数の個数: 16

約数和(自身を含む): 34902816

約数和(自身を除く): 13927941

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 55933, 167799, 279665, 838995, 1398325, 4194975, 6991625, 20974875]

約数ペア:

[(1, 20974875), (3, 6991625), (5, 4194975), (15, 1398325), (25, 838995), (75, 279665), (125, 167799), (375, 55933)]