620909180

素因数分解:

$2^2\times 5^1\times {\mathrm{2399}}^1\times {\mathrm{12941}}^1$

素因数の和:15349

約数の個数: 24

約数和(自身を含む): 1304553600

約数和(自身を除く): 683644420

約数列:

[1, 2, 4, 5, 10, 20, 2399, 4798, 9596, 11995, 12941, 23990, 25882, 47980, 51764, 64705, 129410, 258820, 31045459, 62090918, 124181836, 155227295, 310454590, 620909180]

約数ペア:

[(1, 620909180), (2, 310454590), (4, 155227295), (5, 124181836), (10, 62090918), (20, 31045459), (2399, 258820), (4798, 129410), (9596, 64705), (11995, 51764), (12941, 47980), (23990, 25882)]