20499828

素因数分解:

$2^2\times 3^1\times {\mathrm{557}}^1\times {\mathrm{3067}}^1$

素因数の和:3631

約数の個数: 24

約数和(自身を含む): 47934432

約数和(自身を除く): 27434604

約数列:

[1, 2, 3, 4, 6, 12, 557, 1114, 1671, 2228, 3067, 3342, 6134, 6684, 9201, 12268, 18402, 36804, 1708319, 3416638, 5124957, 6833276, 10249914, 20499828]

約数ペア:

[(1, 20499828), (2, 10249914), (3, 6833276), (4, 5124957), (6, 3416638), (12, 1708319), (557, 36804), (1114, 18402), (1671, 12268), (2228, 9201), (3067, 6684), (3342, 6134)]