20168135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10009}}^1$

素因数の和:10058

約数の個数: 16

約数和(自身を含む): 26906880

約数和(自身を除く): 6738745

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10009, 50045, 130117, 310279, 650585, 1551395, 4033627, 20168135]

約数ペア:

[(1, 20168135), (5, 4033627), (13, 1551395), (31, 650585), (65, 310279), (155, 130117), (403, 50045), (2015, 10009)]