2010140420

素因数分解:

$2^2\times 5^1\times {\mathrm{4643}}^1\times {\mathrm{21647}}^1$

素因数の和:26299

約数の個数: 24

約数和(自身を含む): 4222399104

約数和(自身を除く): 2212258684

約数列:

[1, 2, 4, 5, 10, 20, 4643, 9286, 18572, 21647, 23215, 43294, 46430, 86588, 92860, 108235, 216470, 432940, 100507021, 201014042, 402028084, 502535105, 1005070210, 2010140420]

約数ペア:

[(1, 2010140420), (2, 1005070210), (4, 502535105), (5, 402028084), (10, 201014042), (20, 100507021), (4643, 432940), (9286, 216470), (18572, 108235), (21647, 92860), (23215, 86588), (43294, 46430)]