20027215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5051}}^1$

素因数の和:5130

約数の個数: 16

約数和(自身を含む): 26310816

約数和(自身を除く): 6283601

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 5051, 25255, 65663, 308111, 328315, 1540555, 4005443, 20027215]

約数ペア:

[(1, 20027215), (5, 4005443), (13, 1540555), (61, 328315), (65, 308111), (305, 65663), (793, 25255), (3965, 5051)]