20615010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52859}}^1$

素因数の和:52882

約数の個数: 32

約数和(自身を含む): 53282880

約数和(自身を除く): 32667870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52859, 105718, 158577, 264295, 317154, 528590, 687167, 792885, 1374334, 1585770, 2061501, 3435835, 4123002, 6871670, 10307505, 20615010]

約数ペア:

[(1, 20615010), (2, 10307505), (3, 6871670), (5, 4123002), (6, 3435835), (10, 2061501), (13, 1585770), (15, 1374334), (26, 792885), (30, 687167), (39, 528590), (65, 317154), (78, 264295), (130, 158577), (195, 105718), (390, 52859)]