20201415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 35071680

約数和(自身を除く): 14870265

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 613, 845, 1839, 2197, 2535, 3065, 6591, 7969, 9195, 10985, 23907, 32955, 39845, 103597, 119535, 310791, 517985, 1346761, 1553955, 4040283, 6733805, 20201415]

約数ペア:

[(1, 20201415), (3, 6733805), (5, 4040283), (13, 1553955), (15, 1346761), (39, 517985), (65, 310791), (169, 119535), (195, 103597), (507, 39845), (613, 32955), (845, 23907), (1839, 10985), (2197, 9195), (2535, 7969), (3065, 6591)]