20165577579

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5247353}}^1$

素因数の和:5247427

約数の個数: 24

約数和(自身を含む): 33834938592

約数和(自身を除く): 13669361013

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5247353, 15742059, 36731471, 47226177, 110194413, 320088533, 330583239, 960265599, 2240619731, 2880796797, 6721859193, 20165577579]

約数ペア:

[(1, 20165577579), (3, 6721859193), (7, 2880796797), (9, 2240619731), (21, 960265599), (61, 330583239), (63, 320088533), (183, 110194413), (427, 47226177), (549, 36731471), (1281, 15742059), (3843, 5247353)]