20145496427

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{561109}}^1$

素因数の和:561362

約数の個数: 16

約数和(自身を含む): 24132218880

約数和(自身を除く): 3986722453

約数列:

[1, 7, 23, 161, 223, 1561, 5129, 35903, 561109, 3927763, 12905507, 90338549, 125127307, 875891149, 2877928061, 20145496427]

約数ペア:

[(1, 20145496427), (7, 2877928061), (23, 875891149), (161, 125127307), (223, 90338549), (1561, 12905507), (5129, 3927763), (35903, 561109)]