15655420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71161}}^1$

素因数の和:71181

約数の個数: 24

約数和(自身を含む): 35865648

約数和(自身を除く): 20210228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 71161, 142322, 284644, 355805, 711610, 782771, 1423220, 1565542, 3131084, 3913855, 7827710, 15655420]

約数ペア:

[(1, 15655420), (2, 7827710), (4, 3913855), (5, 3131084), (10, 1565542), (11, 1423220), (20, 782771), (22, 711610), (44, 355805), (55, 284644), (110, 142322), (220, 71161)]