20155375

素因数分解:

$5^3\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:819

約数の個数: 16

約数和(自身を含む): 25279488

約数和(自身を除く): 5124113

約数列:

[1, 5, 25, 125, 383, 421, 1915, 2105, 9575, 10525, 47875, 52625, 161243, 806215, 4031075, 20155375]

約数ペア:

[(1, 20155375), (5, 4031075), (25, 806215), (125, 161243), (383, 52625), (421, 47875), (1915, 10525), (2105, 9575)]