20454915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8069}}^1$

素因数の和:8103

約数の個数: 24

約数和(自身を含む): 35443440

約数和(自身を除く): 14988525

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8069, 24207, 40345, 104897, 121035, 314691, 524485, 1363661, 1573455, 4090983, 6818305, 20454915]

約数ペア:

[(1, 20454915), (3, 6818305), (5, 4090983), (13, 1573455), (15, 1363661), (39, 524485), (65, 314691), (169, 121035), (195, 104897), (507, 40345), (845, 24207), (2535, 8069)]