20744265

素因数分解:

$3^1\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1181}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 33247296

約数和(自身を除く): 12503031

約数列:

[1, 3, 5, 15, 1171, 1181, 3513, 3543, 5855, 5905, 17565, 17715, 1382951, 4148853, 6914755, 20744265]

約数ペア:

[(1, 20744265), (3, 6914755), (5, 4148853), (15, 1382951), (1171, 17715), (1181, 17565), (3513, 5905), (3543, 5855)]