20787029164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{4421}}^1\times {\mathrm{106861}}^1$

素因数の和:111297

約数の個数: 24

約数和(自身を含む): 39693676176

約数和(自身を除く): 18906647012

約数列:

[1, 2, 4, 11, 22, 44, 4421, 8842, 17684, 48631, 97262, 106861, 194524, 213722, 427444, 1175471, 2350942, 4701884, 472432481, 944864962, 1889729924, 5196757291, 10393514582, 20787029164]

約数ペア:

[(1, 20787029164), (2, 10393514582), (4, 5196757291), (11, 1889729924), (22, 944864962), (44, 472432481), (4421, 4701884), (8842, 2350942), (17684, 1175471), (48631, 427444), (97262, 213722), (106861, 194524)]