20163775919

素因数分解:

$7^2\times {\mathrm{509}}^1\times {\mathrm{808459}}^1$

素因数の和:808982

約数の個数: 12

約数和(自身を含む): 23501932200

約数和(自身を除く): 3338156281

約数列:

[1, 7, 49, 509, 3563, 24941, 808459, 5659213, 39614491, 411505631, 2880539417, 20163775919]

約数ペア:

[(1, 20163775919), (7, 2880539417), (49, 411505631), (509, 39614491), (3563, 5659213), (24941, 808459)]