20679906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5641}}^1$

素因数の和:5706

約数の個数: 32

約数和(自身を含む): 45497088

約数和(自身を除く): 24817182

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 5641, 11282, 16923, 33846, 73333, 146666, 219999, 265127, 439998, 530254, 795381, 1590762, 3446651, 6893302, 10339953, 20679906]

約数ペア:

[(1, 20679906), (2, 10339953), (3, 6893302), (6, 3446651), (13, 1590762), (26, 795381), (39, 530254), (47, 439998), (78, 265127), (94, 219999), (141, 146666), (282, 73333), (611, 33846), (1222, 16923), (1833, 11282), (3666, 5641)]