20315265

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4327}}^1$

素因数の和:4648

約数の個数: 16

約数和(自身を含む): 32615808

約数和(自身を除く): 12300543

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4327, 4695, 12981, 21635, 64905, 1354351, 4063053, 6771755, 20315265]

約数ペア:

[(1, 20315265), (3, 6771755), (5, 4063053), (15, 1354351), (313, 64905), (939, 21635), (1565, 12981), (4327, 4695)]