20558268

素因数分解:

$2^2\times 3^2\times {\mathrm{373}}^1\times {\mathrm{1531}}^1$

素因数の和:1914

約数の個数: 36

約数和(自身を含む): 52140088

約数和(自身を除く): 31581820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 373, 746, 1119, 1492, 1531, 2238, 3062, 3357, 4476, 4593, 6124, 6714, 9186, 13428, 13779, 18372, 27558, 55116, 571063, 1142126, 1713189, 2284252, 3426378, 5139567, 6852756, 10279134, 20558268]

約数ペア:

[(1, 20558268), (2, 10279134), (3, 6852756), (4, 5139567), (6, 3426378), (9, 2284252), (12, 1713189), (18, 1142126), (36, 571063), (373, 55116), (746, 27558), (1119, 18372), (1492, 13779), (1531, 13428), (2238, 9186), (3062, 6714), (3357, 6124), (4476, 4593)]