20166380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77563}}^1$

素因数の和:77585

約数の個数: 24

約数和(自身を含む): 45607632

約数和(自身を除く): 25441252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77563, 155126, 310252, 387815, 775630, 1008319, 1551260, 2016638, 4033276, 5041595, 10083190, 20166380]

約数ペア:

[(1, 20166380), (2, 10083190), (4, 5041595), (5, 4033276), (10, 2016638), (13, 1551260), (20, 1008319), (26, 775630), (52, 387815), (65, 310252), (130, 155126), (260, 77563)]