16808180

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2539}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 35417760

約数和(自身を除く): 18609580

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2539, 3310, 5078, 6620, 10156, 12695, 25390, 50780, 840409, 1680818, 3361636, 4202045, 8404090, 16808180]

約数ペア:

[(1, 16808180), (2, 8404090), (4, 4202045), (5, 3361636), (10, 1680818), (20, 840409), (331, 50780), (662, 25390), (1324, 12695), (1655, 10156), (2539, 6620), (3310, 5078)]