20481669

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5647}}^1$

素因数の和:5697

約数の個数: 24

約数和(自身を含む): 32893952

約数和(自身を除く): 12412283

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5647, 16941, 50823, 73411, 175057, 220233, 525171, 660699, 1575513, 2275741, 6827223, 20481669]

約数ペア:

[(1, 20481669), (3, 6827223), (9, 2275741), (13, 1575513), (31, 660699), (39, 525171), (93, 220233), (117, 175057), (279, 73411), (403, 50823), (1209, 16941), (3627, 5647)]