20179970495

素因数分解:

$5^1\times {\mathrm{449}}^1\times {\mathrm{547}}^1\times {\mathrm{16433}}^1$

素因数の和:17434

約数の個数: 16

約数和(自身を含む): 24315746400

約数和(自身を除く): 4135775905

約数列:

[1, 5, 449, 547, 2245, 2735, 16433, 82165, 245603, 1228015, 7378417, 8988851, 36892085, 44944255, 4035994099, 20179970495]

約数ペア:

[(1, 20179970495), (5, 4035994099), (449, 44944255), (547, 36892085), (2245, 8988851), (2735, 7378417), (16433, 1228015), (82165, 245603)]