20764955

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 25855200

約数和(自身を除く): 5090245

約数列:

[1, 5, 37, 107, 185, 535, 1049, 3959, 5245, 19795, 38813, 112243, 194065, 561215, 4152991, 20764955]

約数ペア:

[(1, 20764955), (5, 4152991), (37, 561215), (107, 194065), (185, 112243), (535, 38813), (1049, 19795), (3959, 5245)]