201487220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{915851}}^1$

素因数の和:915871

約数の個数: 24

約数和(自身を含む): 461589408

約数和(自身を除く): 260102188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 915851, 1831702, 3663404, 4579255, 9158510, 10074361, 18317020, 20148722, 40297444, 50371805, 100743610, 201487220]

約数ペア:

[(1, 201487220), (2, 100743610), (4, 50371805), (5, 40297444), (10, 20148722), (11, 18317020), (20, 10074361), (22, 9158510), (44, 4579255), (55, 3663404), (110, 1831702), (220, 915851)]