20996870418

素因数分解:

$2^1\times 3^2\times {\mathrm{439}}^1\times {\mathrm{2657159}}^1$

素因数の和:2657606

約数の個数: 24

約数和(自身を含む): 45596865600

約数和(自身を除く): 24599995182

約数列:

[1, 2, 3, 6, 9, 18, 439, 878, 1317, 2634, 3951, 7902, 2657159, 5314318, 7971477, 15942954, 23914431, 47828862, 1166492801, 2332985602, 3499478403, 6998956806, 10498435209, 20996870418]

約数ペア:

[(1, 20996870418), (2, 10498435209), (3, 6998956806), (6, 3499478403), (9, 2332985602), (18, 1166492801), (439, 47828862), (878, 23914431), (1317, 15942954), (2634, 7971477), (3951, 5314318), (7902, 2657159)]