20405939406

素因数分解:

$2^1\times 3^1\times {\mathrm{307}}^1\times {\mathrm{11078143}}^1$

素因数の和:11078455

約数の個数: 16

約数和(自身を含む): 40944820224

約数和(自身を除く): 20538880818

約数列:

[1, 2, 3, 6, 307, 614, 921, 1842, 11078143, 22156286, 33234429, 66468858, 3400989901, 6801979802, 10202969703, 20405939406]

約数ペア:

[(1, 20405939406), (2, 10202969703), (3, 6801979802), (6, 3400989901), (307, 66468858), (614, 33234429), (921, 22156286), (1842, 11078143)]