16740380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11789}}^1$

素因数の和:11869

約数の個数: 24

約数和(自身を含む): 35652960

約数和(自身を除く): 18912580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11789, 23578, 47156, 58945, 117890, 235780, 837019, 1674038, 3348076, 4185095, 8370190, 16740380]

約数ペア:

[(1, 16740380), (2, 8370190), (4, 4185095), (5, 3348076), (10, 1674038), (20, 837019), (71, 235780), (142, 117890), (284, 58945), (355, 47156), (710, 23578), (1420, 11789)]