20243745

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1289}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 35217000

約数和(自身を除く): 14973255

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1289, 1745, 3141, 3867, 5235, 6445, 11601, 15705, 19335, 58005, 449861, 1349583, 2249305, 4048749, 6747915, 20243745]

約数ペア:

[(1, 20243745), (3, 6747915), (5, 4048749), (9, 2249305), (15, 1349583), (45, 449861), (349, 58005), (1047, 19335), (1289, 15705), (1745, 11601), (3141, 6445), (3867, 5235)]