20675705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2113}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 26382720

約数和(自身を除く): 5707015

約数列:

[1, 5, 19, 95, 103, 515, 1957, 2113, 9785, 10565, 40147, 200735, 217639, 1088195, 4135141, 20675705]

約数ペア:

[(1, 20675705), (5, 4135141), (19, 1088195), (95, 217639), (103, 200735), (515, 40147), (1957, 10565), (2113, 9785)]