20239564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1171}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 36918000

約数和(自身を除く): 16678436

約数列:

[1, 2, 4, 29, 58, 116, 149, 298, 596, 1171, 2342, 4321, 4684, 8642, 17284, 33959, 67918, 135836, 174479, 348958, 697916, 5059891, 10119782, 20239564]

約数ペア:

[(1, 20239564), (2, 10119782), (4, 5059891), (29, 697916), (58, 348958), (116, 174479), (149, 135836), (298, 67918), (596, 33959), (1171, 17284), (2342, 8642), (4321, 4684)]