20455028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1171}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 39182304

約数和(自身を除く): 18727276

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1171, 1588, 2342, 4367, 4684, 8734, 12881, 17468, 25762, 51524, 464887, 929774, 1859548, 5113757, 10227514, 20455028]

約数ペア:

[(1, 20455028), (2, 10227514), (4, 5113757), (11, 1859548), (22, 929774), (44, 464887), (397, 51524), (794, 25762), (1171, 17468), (1588, 12881), (2342, 8734), (4367, 4684)]