20842335

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1283}}^1$

素因数の和:1332

約数の個数: 36

約数和(自身を含む): 38157912

約数和(自身を除く): 17315577

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1283, 1805, 3249, 3849, 5415, 6415, 11547, 16245, 19245, 24377, 57735, 73131, 121885, 219393, 365655, 463163, 1096965, 1389489, 2315815, 4168467, 6947445, 20842335]

約数ペア:

[(1, 20842335), (3, 6947445), (5, 4168467), (9, 2315815), (15, 1389489), (19, 1096965), (45, 463163), (57, 365655), (95, 219393), (171, 121885), (285, 73131), (361, 57735), (855, 24377), (1083, 19245), (1283, 16245), (1805, 11547), (3249, 6415), (3849, 5415)]