22193680

素因数分解:

$2^4\times 5^1\times {\mathrm{277421}}^1$

素因数の和:277434

約数の個数: 20

約数和(自身を含む): 51600492

約数和(自身を除く): 29406812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277421, 554842, 1109684, 1387105, 2219368, 2774210, 4438736, 5548420, 11096840, 22193680]

約数ペア:

[(1, 22193680), (2, 11096840), (4, 5548420), (5, 4438736), (8, 2774210), (10, 2219368), (16, 1387105), (20, 1109684), (40, 554842), (80, 277421)]