201384220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{55631}}^1$

素因数の和:55821

約数の個数: 24

約数和(自身を含む): 425251008

約数和(自身を除く): 223866788

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 55631, 111262, 222524, 278155, 556310, 1112620, 10069211, 20138422, 40276844, 50346055, 100692110, 201384220]

約数ペア:

[(1, 201384220), (2, 100692110), (4, 50346055), (5, 40276844), (10, 20138422), (20, 10069211), (181, 1112620), (362, 556310), (724, 278155), (905, 222524), (1810, 111262), (3620, 55631)]