20163685520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22913279}}^1$

素因数の和:22913303

約数の個数: 40

約数和(自身を含む): 51142440960

約数和(自身を除く): 30978755440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22913279, 45826558, 91653116, 114566395, 183306232, 229132790, 252046069, 366612464, 458265580, 504092138, 916531160, 1008184276, 1260230345, 1833062320, 2016368552, 2520460690, 4032737104, 5040921380, 10081842760, 20163685520]

約数ペア:

[(1, 20163685520), (2, 10081842760), (4, 5040921380), (5, 4032737104), (8, 2520460690), (10, 2016368552), (11, 1833062320), (16, 1260230345), (20, 1008184276), (22, 916531160), (40, 504092138), (44, 458265580), (55, 366612464), (80, 252046069), (88, 229132790), (110, 183306232), (176, 114566395), (220, 91653116), (440, 45826558), (880, 22913279)]