20472485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5099}}^1$

素因数の和:5188

約数の個数: 16

約数和(自身を含む): 27172800

約数和(自身を除く): 6700315

約数列:

[1, 5, 11, 55, 73, 365, 803, 4015, 5099, 25495, 56089, 280445, 372227, 1861135, 4094497, 20472485]

約数ペア:

[(1, 20472485), (5, 4094497), (11, 1861135), (55, 372227), (73, 280445), (365, 56089), (803, 25495), (4015, 5099)]