20386040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4013}}^1$

素因数の和:4151

約数の個数: 32

約数和(自身を含む): 46241280

約数和(自身を除く): 25855240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 4013, 5080, 8026, 16052, 20065, 32104, 40130, 80260, 160520, 509651, 1019302, 2038604, 2548255, 4077208, 5096510, 10193020, 20386040]

約数ペア:

[(1, 20386040), (2, 10193020), (4, 5096510), (5, 4077208), (8, 2548255), (10, 2038604), (20, 1019302), (40, 509651), (127, 160520), (254, 80260), (508, 40130), (635, 32104), (1016, 20065), (1270, 16052), (2540, 8026), (4013, 5080)]