20869205

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14543}}^1$

素因数の和:14596

約数の個数: 16

約数和(自身を含む): 29320704

約数和(自身を除く): 8451499

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 14543, 72715, 101801, 509005, 596263, 2981315, 4173841, 20869205]

約数ペア:

[(1, 20869205), (5, 4173841), (7, 2981315), (35, 596263), (41, 509005), (205, 101801), (287, 72715), (1435, 14543)]