20193960899

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{11138423}}^1$

素因数の和:11138474

約数の個数: 12

約数和(自身を含む): 24125826384

約数和(自身を除く): 3931865485

約数列:

[1, 7, 37, 49, 259, 1813, 11138423, 77968961, 412121651, 545782727, 2884851557, 20193960899]

約数ペア:

[(1, 20193960899), (7, 2884851557), (37, 545782727), (49, 412121651), (259, 77968961), (1813, 11138423)]