20337950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 40738464

約数和(自身を除く): 20400514

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 142, 170, 337, 355, 425, 674, 710, 850, 1207, 1685, 1775, 2414, 3370, 3550, 5729, 6035, 8425, 11458, 12070, 16850, 23927, 28645, 30175, 47854, 57290, 60350, 119635, 143225, 239270, 286450, 406759, 598175, 813518, 1196350, 2033795, 4067590, 10168975, 20337950]

約数ペア:

[(1, 20337950), (2, 10168975), (5, 4067590), (10, 2033795), (17, 1196350), (25, 813518), (34, 598175), (50, 406759), (71, 286450), (85, 239270), (142, 143225), (170, 119635), (337, 60350), (355, 57290), (425, 47854), (674, 30175), (710, 28645), (850, 23927), (1207, 16850), (1685, 12070), (1775, 11458), (2414, 8425), (3370, 6035), (3550, 5729)]