20472695

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 25557120

約数和(自身を除く): 5084425

約数列:

[1, 5, 29, 145, 271, 521, 1355, 2605, 7859, 15109, 39295, 75545, 141191, 705955, 4094539, 20472695]

約数ペア:

[(1, 20472695), (5, 4094539), (29, 705955), (145, 141191), (271, 75545), (521, 39295), (1355, 15109), (2605, 7859)]