20157501921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1\times {\mathrm{286129}}^1$

素因数の和:287176

約数の個数: 16

約数和(自身を含む): 28072786560

約数和(自身を除く): 7915284639

約数列:

[1, 3, 23, 69, 1021, 3063, 23483, 70449, 286129, 858387, 6580967, 19742901, 292137709, 876413127, 6719167307, 20157501921]

約数ペア:

[(1, 20157501921), (3, 6719167307), (23, 876413127), (69, 292137709), (1021, 19742901), (3063, 6580967), (23483, 858387), (70449, 286129)]