20956408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238141}}^1$

素因数の和:238158

約数の個数: 16

約数和(自身を含む): 42865560

約数和(自身を除く): 21909152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238141, 476282, 952564, 1905128, 2619551, 5239102, 10478204, 20956408]

約数ペア:

[(1, 20956408), (2, 10478204), (4, 5239102), (8, 2619551), (11, 1905128), (22, 952564), (44, 476282), (88, 238141)]