20748464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117889}}^1$

素因数の和:117908

約数の個数: 20

約数和(自身を含む): 43855080

約数和(自身を除く): 23106616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117889, 235778, 471556, 943112, 1296779, 1886224, 2593558, 5187116, 10374232, 20748464]

約数ペア:

[(1, 20748464), (2, 10374232), (4, 5187116), (8, 2593558), (11, 1886224), (16, 1296779), (22, 943112), (44, 471556), (88, 235778), (176, 117889)]