20442905

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5783}}^1$

素因数の和:5896

約数の個数: 16

約数和(自身を含む): 28318464

約数和(自身を除く): 7875559

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 5783, 28915, 40481, 202405, 584083, 2920415, 4088581, 20442905]

約数ペア:

[(1, 20442905), (5, 4088581), (7, 2920415), (35, 584083), (101, 202405), (505, 40481), (707, 28915), (3535, 5783)]