20112580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1901}}^1$

素因数の和:1956

約数の個数: 36

約数和(自身を含む): 44175852

約数和(自身を除く): 24063272

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1901, 2116, 2645, 3802, 5290, 7604, 9505, 10580, 19010, 38020, 43723, 87446, 174892, 218615, 437230, 874460, 1005629, 2011258, 4022516, 5028145, 10056290, 20112580]

約数ペア:

[(1, 20112580), (2, 10056290), (4, 5028145), (5, 4022516), (10, 2011258), (20, 1005629), (23, 874460), (46, 437230), (92, 218615), (115, 174892), (230, 87446), (460, 43723), (529, 38020), (1058, 19010), (1901, 10580), (2116, 9505), (2645, 7604), (3802, 5290)]