20815595

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{877}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 25792128

約数和(自身を除く): 4976533

約数列:

[1, 5, 47, 101, 235, 505, 877, 4385, 4747, 23735, 41219, 88577, 206095, 442885, 4163119, 20815595]

約数ペア:

[(1, 20815595), (5, 4163119), (47, 442885), (101, 206095), (235, 88577), (505, 41219), (877, 23735), (4385, 4747)]