20445565

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9901}}^1$

素因数の和:9972

約数の個数: 16

約数和(自身を含む): 28517760

約数和(自身を除く): 8072195

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 9901, 49505, 69307, 346535, 584159, 2920795, 4089113, 20445565]

約数ペア:

[(1, 20445565), (5, 4089113), (7, 2920795), (35, 584159), (59, 346535), (295, 69307), (413, 49505), (2065, 9901)]