20858279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 23644320

約数和(自身を除く): 2786041

約数列:

[1, 13, 29, 61, 377, 793, 907, 1769, 11791, 22997, 26303, 55327, 341939, 719251, 1604483, 20858279]

約数ペア:

[(1, 20858279), (13, 1604483), (29, 719251), (61, 341939), (377, 55327), (793, 26303), (907, 22997), (1769, 11791)]