20019965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33647}}^1$

素因数の和:33676

約数の個数: 16

約数和(自身を含む): 29071872

約数和(自身を除く): 9051907

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33647, 168235, 235529, 571999, 1177645, 2859995, 4003993, 20019965]

約数ペア:

[(1, 20019965), (5, 4003993), (7, 2859995), (17, 1177645), (35, 571999), (85, 235529), (119, 168235), (595, 33647)]