20033080

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2767}}^1$

素因数の和:2959

約数の個数: 32

約数和(自身を含む): 45339840

約数和(自身を除く): 25306760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 2767, 3620, 5534, 7240, 11068, 13835, 22136, 27670, 55340, 110680, 500827, 1001654, 2003308, 2504135, 4006616, 5008270, 10016540, 20033080]

約数ペア:

[(1, 20033080), (2, 10016540), (4, 5008270), (5, 4006616), (8, 2504135), (10, 2003308), (20, 1001654), (40, 500827), (181, 110680), (362, 55340), (724, 27670), (905, 22136), (1448, 13835), (1810, 11068), (2767, 7240), (3620, 5534)]