20999701978

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{2063}}^1\times {\mathrm{26371}}^1$

素因数の和:28629

約数の個数: 16

約数和(自身を含む): 31679312256

約数和(自身を除く): 10679610278

約数列:

[1, 2, 193, 386, 2063, 4126, 26371, 52742, 398159, 796318, 5089603, 10179206, 54403373, 108806746, 10499850989, 20999701978]

約数ペア:

[(1, 20999701978), (2, 10499850989), (193, 108806746), (386, 54403373), (2063, 10179206), (4126, 5089603), (26371, 796318), (52742, 398159)]