20885390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 39464064

約数和(自身を除く): 18578674

約数列:

[1, 2, 5, 10, 37, 47, 74, 94, 185, 235, 370, 470, 1201, 1739, 2402, 3478, 6005, 8695, 12010, 17390, 44437, 56447, 88874, 112894, 222185, 282235, 444370, 564470, 2088539, 4177078, 10442695, 20885390]

約数ペア:

[(1, 20885390), (2, 10442695), (5, 4177078), (10, 2088539), (37, 564470), (47, 444370), (74, 282235), (94, 222185), (185, 112894), (235, 88874), (370, 56447), (470, 44437), (1201, 17390), (1739, 12010), (2402, 8695), (3478, 6005)]