20121479105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44223031}}^1$

素因数の和:44223056

約数の個数: 16

約数和(自身を含む): 29717877504

約数和(自身を除く): 9596398399

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44223031, 221115155, 309561217, 574899403, 1547806085, 2874497015, 4024295821, 20121479105]

約数ペア:

[(1, 20121479105), (5, 4024295821), (7, 2874497015), (13, 1547806085), (35, 574899403), (65, 309561217), (91, 221115155), (455, 44223031)]