20305145

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9833}}^1$

素因数の和:9904

約数の個数: 16

約数和(自身を含む): 28321920

約数和(自身を除く): 8016775

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 9833, 49165, 68831, 344155, 580147, 2900735, 4061029, 20305145]

約数ペア:

[(1, 20305145), (5, 4061029), (7, 2900735), (35, 580147), (59, 344155), (295, 68831), (413, 49165), (2065, 9833)]