2019668620

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{146141}}^1$

素因数の和:146841

約数の個数: 24

約数和(自身を含む): 4247471088

約数和(自身を除く): 2227802468

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 146141, 292282, 584564, 730705, 1461410, 2922820, 100983431, 201966862, 403933724, 504917155, 1009834310, 2019668620]

約数ペア:

[(1, 2019668620), (2, 1009834310), (4, 504917155), (5, 403933724), (10, 201966862), (20, 100983431), (691, 2922820), (1382, 1461410), (2764, 730705), (3455, 584564), (6910, 292282), (13820, 146141)]