20465665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2677}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 26994240

約数和(自身を除く): 6528575

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2677, 7645, 13385, 29447, 147235, 372103, 1860515, 4093133, 20465665]

約数ペア:

[(1, 20465665), (5, 4093133), (11, 1860515), (55, 372103), (139, 147235), (695, 29447), (1529, 13385), (2677, 7645)]