20884396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1801}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 39557504

約数和(自身を除く): 18673108

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 1801, 2899, 3602, 5798, 7204, 11596, 23413, 46826, 93652, 401623, 803246, 1606492, 5221099, 10442198, 20884396]

約数ペア:

[(1, 20884396), (2, 10442198), (4, 5221099), (13, 1606492), (26, 803246), (52, 401623), (223, 93652), (446, 46826), (892, 23413), (1801, 11596), (2899, 7204), (3602, 5798)]