20193663

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7019}}^1$

素因数の和:7166

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 10806657

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 7019, 21057, 49133, 147399, 961603, 2884809, 6731221, 20193663]

約数ペア:

[(1, 20193663), (3, 6731221), (7, 2884809), (21, 961603), (137, 147399), (411, 49133), (959, 21057), (2877, 7019)]