20837220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347287}}^1$

素因数の和:347299

約数の個数: 24

約数和(自身を含む): 58344384

約数和(自身を除く): 37507164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347287, 694574, 1041861, 1389148, 1736435, 2083722, 3472870, 4167444, 5209305, 6945740, 10418610, 20837220]

約数ペア:

[(1, 20837220), (2, 10418610), (3, 6945740), (4, 5209305), (5, 4167444), (6, 3472870), (10, 2083722), (12, 1736435), (15, 1389148), (20, 1041861), (30, 694574), (60, 347287)]