20428838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{877}}^1$

素因数の和:1511

約数の個数: 16

約数和(自身を含む): 32345520

約数和(自身を除く): 11916682

約数列:

[1, 2, 19, 38, 613, 877, 1226, 1754, 11647, 16663, 23294, 33326, 537601, 1075202, 10214419, 20428838]

約数ペア:

[(1, 20428838), (2, 10214419), (19, 1075202), (38, 537601), (613, 33326), (877, 23294), (1226, 16663), (1754, 11647)]