20519031455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2896123}}^1$

素因数の和:2896250

約数の個数: 16

約数和(自身を含む): 26760185760

約数和(自身を除く): 6241154305

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 2896123, 14480615, 37649599, 188247995, 315677407, 1578387035, 4103806291, 20519031455]

約数ペア:

[(1, 20519031455), (5, 4103806291), (13, 1578387035), (65, 315677407), (109, 188247995), (545, 37649599), (1417, 14480615), (7085, 2896123)]