20348737444

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1422193}}^1$

素因数の和:1422284

約数の個数: 36

約数和(自身を含む): 41991700044

約数和(自身を除く): 21642962600

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 2044, 3577, 7154, 14308, 1422193, 2844386, 5688772, 9955351, 19910702, 39821404, 69687457, 103820089, 139374914, 207640178, 278749828, 415280356, 726740623, 1453481246, 2906962492, 5087184361, 10174368722, 20348737444]

約数ペア:

[(1, 20348737444), (2, 10174368722), (4, 5087184361), (7, 2906962492), (14, 1453481246), (28, 726740623), (49, 415280356), (73, 278749828), (98, 207640178), (146, 139374914), (196, 103820089), (292, 69687457), (511, 39821404), (1022, 19910702), (2044, 9955351), (3577, 5688772), (7154, 2844386), (14308, 1422193)]