2013210020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{521557}}^1$

素因数の和:521759

約数の個数: 24

約数和(自身を含む): 4249654584

約数和(自身を除く): 2236444564

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 521557, 1043114, 2086228, 2607785, 5215570, 10431140, 100660501, 201321002, 402642004, 503302505, 1006605010, 2013210020]

約数ペア:

[(1, 2013210020), (2, 1006605010), (4, 503302505), (5, 402642004), (10, 201321002), (20, 100660501), (193, 10431140), (386, 5215570), (772, 2607785), (965, 2086228), (1930, 1043114), (3860, 521557)]