20447625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4957}}^1$

素因数の和:4986

約数の個数: 32

約数和(自身を含む): 37125504

約数和(自身を除く): 16677879

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4957, 14871, 24785, 54527, 74355, 123925, 163581, 272635, 371775, 619625, 817905, 1363175, 1858875, 4089525, 6815875, 20447625]

約数ペア:

[(1, 20447625), (3, 6815875), (5, 4089525), (11, 1858875), (15, 1363175), (25, 817905), (33, 619625), (55, 371775), (75, 272635), (125, 163581), (165, 123925), (275, 74355), (375, 54527), (825, 24785), (1375, 14871), (4125, 4957)]