20387340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 62270208

約数和(自身を除く): 41882868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 593, 764, 955, 1146, 1186, 1719, 1779, 1910, 2292, 2372, 2865, 2965, 3438, 3558, 3820, 5337, 5730, 5930, 6876, 7116, 8595, 8895, 10674, 11460, 11860, 17190, 17790, 21348, 26685, 34380, 35580, 53370, 106740, 113263, 226526, 339789, 453052, 566315, 679578, 1019367, 1132630, 1359156, 1698945, 2038734, 2265260, 3397890, 4077468, 5096835, 6795780, 10193670, 20387340]

約数ペア:

[(1, 20387340), (2, 10193670), (3, 6795780), (4, 5096835), (5, 4077468), (6, 3397890), (9, 2265260), (10, 2038734), (12, 1698945), (15, 1359156), (18, 1132630), (20, 1019367), (30, 679578), (36, 566315), (45, 453052), (60, 339789), (90, 226526), (180, 113263), (191, 106740), (382, 53370), (573, 35580), (593, 34380), (764, 26685), (955, 21348), (1146, 17790), (1186, 17190), (1719, 11860), (1779, 11460), (1910, 10674), (2292, 8895), (2372, 8595), (2865, 7116), (2965, 6876), (3438, 5930), (3558, 5730), (3820, 5337)]