20671160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13967}}^1$

素因数の和:14015

約数の個数: 32

約数和(自身を含む): 47770560

約数和(自身を除く): 27099400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13967, 27934, 55868, 69835, 111736, 139670, 279340, 516779, 558680, 1033558, 2067116, 2583895, 4134232, 5167790, 10335580, 20671160]

約数ペア:

[(1, 20671160), (2, 10335580), (4, 5167790), (5, 4134232), (8, 2583895), (10, 2067116), (20, 1033558), (37, 558680), (40, 516779), (74, 279340), (148, 139670), (185, 111736), (296, 69835), (370, 55868), (740, 27934), (1480, 13967)]