20178254873

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{9199}}^1\times {\mathrm{18433}}^1$

素因数の和:27656

約数の個数: 16

約数和(自身を含む): 24421363200

約数和(自身を除く): 4243108327

約数列:

[1, 7, 17, 119, 9199, 18433, 64393, 129031, 156383, 313361, 1094681, 2193527, 169565167, 1186956169, 2882607839, 20178254873]

約数ペア:

[(1, 20178254873), (7, 2882607839), (17, 1186956169), (119, 169565167), (9199, 2193527), (18433, 1094681), (64393, 313361), (129031, 156383)]