20050997654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{7537}}^1\times {\mathrm{70009}}^1$

素因数の和:77567

約数の個数: 16

約数和(自身を含む): 31664122800

約数和(自身を除く): 11613125146

約数列:

[1, 2, 19, 38, 7537, 15074, 70009, 140018, 143203, 286406, 1330171, 2660342, 527657833, 1055315666, 10025498827, 20050997654]

約数ペア:

[(1, 20050997654), (2, 10025498827), (19, 1055315666), (38, 527657833), (7537, 2660342), (15074, 1330171), (70009, 286406), (140018, 143203)]