20372960

素因数分解:

$2^5\times 5^1\times {\mathrm{127331}}^1$

素因数の和:127346

約数の個数: 24

約数和(自身を含む): 48131496

約数和(自身を除く): 27758536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127331, 254662, 509324, 636655, 1018648, 1273310, 2037296, 2546620, 4074592, 5093240, 10186480, 20372960]

約数ペア:

[(1, 20372960), (2, 10186480), (4, 5093240), (5, 4074592), (8, 2546620), (10, 2037296), (16, 1273310), (20, 1018648), (32, 636655), (40, 509324), (80, 254662), (160, 127331)]