20104990984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1806703}}^1$

素因数の和:1806829

約数の個数: 32

約数和(自身を含む): 40976046720

約数和(自身を除く): 20871055736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 2782, 5564, 11128, 1806703, 3613406, 7226812, 14453624, 23487139, 46974278, 93948556, 187897112, 193317221, 386634442, 773268884, 1546537768, 2513123873, 5026247746, 10052495492, 20104990984]

約数ペア:

[(1, 20104990984), (2, 10052495492), (4, 5026247746), (8, 2513123873), (13, 1546537768), (26, 773268884), (52, 386634442), (104, 193317221), (107, 187897112), (214, 93948556), (428, 46974278), (856, 23487139), (1391, 14453624), (2782, 7226812), (5564, 3613406), (11128, 1806703)]