20028396

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 48688640

約数和(自身を除く): 28660244

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 79, 111, 148, 158, 222, 237, 316, 444, 474, 571, 948, 1142, 1713, 2284, 2923, 3426, 5846, 6852, 8769, 11692, 17538, 21127, 35076, 42254, 45109, 63381, 84508, 90218, 126762, 135327, 180436, 253524, 270654, 541308, 1669033, 3338066, 5007099, 6676132, 10014198, 20028396]

約数ペア:

[(1, 20028396), (2, 10014198), (3, 6676132), (4, 5007099), (6, 3338066), (12, 1669033), (37, 541308), (74, 270654), (79, 253524), (111, 180436), (148, 135327), (158, 126762), (222, 90218), (237, 84508), (316, 63381), (444, 45109), (474, 42254), (571, 35076), (948, 21127), (1142, 17538), (1713, 11692), (2284, 8769), (2923, 6852), (3426, 5846)]