20254315

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 25286400

約数和(自身を除く): 5032085

約数列:

[1, 5, 31, 149, 155, 745, 877, 4385, 4619, 23095, 27187, 130673, 135935, 653365, 4050863, 20254315]

約数ペア:

[(1, 20254315), (5, 4050863), (31, 653365), (149, 135935), (155, 130673), (745, 27187), (877, 23095), (4385, 4619)]