19960760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13487}}^1$

素因数の和:13535

約数の個数: 32

約数和(自身を含む): 46128960

約数和(自身を除く): 26168200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13487, 26974, 53948, 67435, 107896, 134870, 269740, 499019, 539480, 998038, 1996076, 2495095, 3992152, 4990190, 9980380, 19960760]

約数ペア:

[(1, 19960760), (2, 9980380), (4, 4990190), (5, 3992152), (8, 2495095), (10, 1996076), (20, 998038), (37, 539480), (40, 499019), (74, 269740), (148, 134870), (185, 107896), (296, 67435), (370, 53948), (740, 26974), (1480, 13487)]