20358305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4159}}^1$

素因数の和:4264

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 6598495

約数列:

[1, 5, 11, 55, 89, 445, 979, 4159, 4895, 20795, 45749, 228745, 370151, 1850755, 4071661, 20358305]

約数ペア:

[(1, 20358305), (5, 4071661), (11, 1850755), (55, 370151), (89, 228745), (445, 45749), (979, 20795), (4159, 4895)]