20698712

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 41740440

約数和(自身を除く): 21041728

約数列:

[1, 2, 4, 8, 23, 46, 67, 73, 92, 134, 146, 184, 268, 292, 529, 536, 584, 1058, 1541, 1679, 2116, 3082, 3358, 4232, 4891, 6164, 6716, 9782, 12328, 13432, 19564, 35443, 38617, 39128, 70886, 77234, 112493, 141772, 154468, 224986, 283544, 308936, 449972, 899944, 2587339, 5174678, 10349356, 20698712]

約数ペア:

[(1, 20698712), (2, 10349356), (4, 5174678), (8, 2587339), (23, 899944), (46, 449972), (67, 308936), (73, 283544), (92, 224986), (134, 154468), (146, 141772), (184, 112493), (268, 77234), (292, 70886), (529, 39128), (536, 38617), (584, 35443), (1058, 19564), (1541, 13432), (1679, 12328), (2116, 9782), (3082, 6716), (3358, 6164), (4232, 4891)]