20904906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{827}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 45785088

約数和(自身を除く): 24880182

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 383, 766, 827, 1149, 1654, 2298, 2481, 4213, 4962, 8426, 9097, 12639, 18194, 25278, 27291, 54582, 316741, 633482, 950223, 1900446, 3484151, 6968302, 10452453, 20904906]

約数ペア:

[(1, 20904906), (2, 10452453), (3, 6968302), (6, 3484151), (11, 1900446), (22, 950223), (33, 633482), (66, 316741), (383, 54582), (766, 27291), (827, 25278), (1149, 18194), (1654, 12639), (2298, 9097), (2481, 8426), (4213, 4962)]