20415045025

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{33623}}^1$

素因数の和:33945

約数の個数: 24

約数和(自身を含む): 25641662400

約数和(自身を除く): 5226617375

約数列:

[1, 5, 25, 149, 163, 745, 815, 3725, 4075, 24287, 33623, 121435, 168115, 607175, 840575, 5009827, 5480549, 25049135, 27402745, 125245675, 137013725, 816601801, 4083009005, 20415045025]

約数ペア:

[(1, 20415045025), (5, 4083009005), (25, 816601801), (149, 137013725), (163, 125245675), (745, 27402745), (815, 25049135), (3725, 5480549), (4075, 5009827), (24287, 840575), (33623, 607175), (121435, 168115)]