20741396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2677}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 39366600

約数和(自身を除く): 18625204

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2677, 3874, 5354, 7748, 10708, 34801, 69602, 139204, 398873, 797746, 1595492, 5185349, 10370698, 20741396]

約数ペア:

[(1, 20741396), (2, 10370698), (4, 5185349), (13, 1595492), (26, 797746), (52, 398873), (149, 139204), (298, 69602), (596, 34801), (1937, 10708), (2677, 7748), (3874, 5354)]