2012368220

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{156971}}^1$

素因数の和:157621

約数の個数: 24

約数和(自身を含む): 4232593008

約数和(自身を除く): 2220224788

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 156971, 313942, 627884, 784855, 1569710, 3139420, 100618411, 201236822, 402473644, 503092055, 1006184110, 2012368220]

約数ペア:

[(1, 2012368220), (2, 1006184110), (4, 503092055), (5, 402473644), (10, 201236822), (20, 100618411), (641, 3139420), (1282, 1569710), (2564, 784855), (3205, 627884), (6410, 313942), (12820, 156971)]