20347813551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3982739}}^1$

素因数の和:3982886

約数の個数: 16

約数和(自身を含む): 29440414080

約数和(自身を除く): 9092600529

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 3982739, 11948217, 51775607, 155326821, 521738809, 1565216427, 6782604517, 20347813551]

約数ペア:

[(1, 20347813551), (3, 6782604517), (13, 1565216427), (39, 521738809), (131, 155326821), (393, 51775607), (1703, 11948217), (5109, 3982739)]