20880573119

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1609789}}^1$

素因数の和:1609922

約数の個数: 16

約数和(自身を含む): 25499073600

約数和(自身を除く): 4618500481

約数列:

[1, 7, 17, 109, 119, 763, 1853, 12971, 1609789, 11268523, 27366413, 175467001, 191564891, 1228269007, 2982939017, 20880573119]

約数ペア:

[(1, 20880573119), (7, 2982939017), (17, 1228269007), (109, 191564891), (119, 175467001), (763, 27366413), (1853, 11268523), (12971, 1609789)]