20672420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17519}}^1$

素因数の和:17587

約数の個数: 24

約数和(自身を含む): 44150400

約数和(自身を除く): 23477980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17519, 35038, 70076, 87595, 175190, 350380, 1033621, 2067242, 4134484, 5168105, 10336210, 20672420]

約数ペア:

[(1, 20672420), (2, 10336210), (4, 5168105), (5, 4134484), (10, 2067242), (20, 1033621), (59, 350380), (118, 175190), (236, 87595), (295, 70076), (590, 35038), (1180, 17519)]