12722420

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3677}}^1$

素因数の和:3859

約数の個数: 24

約数和(自身を含む): 26878824

約数和(自身を除く): 14156404

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 3677, 7354, 14708, 18385, 36770, 73540, 636121, 1272242, 2544484, 3180605, 6361210, 12722420]

約数ペア:

[(1, 12722420), (2, 6361210), (4, 3180605), (5, 2544484), (10, 1272242), (20, 636121), (173, 73540), (346, 36770), (692, 18385), (865, 14708), (1730, 7354), (3460, 3677)]