20115355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5839}}^1$

素因数の和:5910

約数の個数: 16

約数和(自身を含む): 26490240

約数和(自身を除く): 6374885

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 5839, 29195, 75907, 309467, 379535, 1547335, 4023071, 20115355]

約数ペア:

[(1, 20115355), (5, 4023071), (13, 1547335), (53, 379535), (65, 309467), (265, 75907), (689, 29195), (3445, 5839)]