20781132

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24391}}^1$

素因数の和:24469

約数の個数: 24

約数和(自身を含む): 49174272

約数和(自身を除く): 28393140

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24391, 48782, 73173, 97564, 146346, 292692, 1731761, 3463522, 5195283, 6927044, 10390566, 20781132]

約数ペア:

[(1, 20781132), (2, 10390566), (3, 6927044), (4, 5195283), (6, 3463522), (12, 1731761), (71, 292692), (142, 146346), (213, 97564), (284, 73173), (426, 48782), (852, 24391)]