20122595

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{953}}^1$

素因数の和:1102

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 4879837

約数列:

[1, 5, 41, 103, 205, 515, 953, 4223, 4765, 21115, 39073, 98159, 195365, 490795, 4024519, 20122595]

約数ペア:

[(1, 20122595), (5, 4024519), (41, 490795), (103, 195365), (205, 98159), (515, 39073), (953, 21115), (4223, 4765)]