20699693660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{964571}}^1$

素因数の和:964646

約数の個数: 48

約数和(自身を含む): 46183707360

約数和(自身を除く): 25484013700

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 4292, 5365, 10730, 21460, 964571, 1929142, 3858284, 4822855, 9645710, 19291420, 27972559, 35689127, 55945118, 71378254, 111890236, 139862795, 142756508, 178445635, 279725590, 356891270, 559451180, 713782540, 1034984683, 2069969366, 4139938732, 5174923415, 10349846830, 20699693660]

約数ペア:

[(1, 20699693660), (2, 10349846830), (4, 5174923415), (5, 4139938732), (10, 2069969366), (20, 1034984683), (29, 713782540), (37, 559451180), (58, 356891270), (74, 279725590), (116, 178445635), (145, 142756508), (148, 139862795), (185, 111890236), (290, 71378254), (370, 55945118), (580, 35689127), (740, 27972559), (1073, 19291420), (2146, 9645710), (4292, 4822855), (5365, 3858284), (10730, 1929142), (21460, 964571)]