20255586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8377}}^1$

素因数の和:8426

約数の個数: 32

約数和(自身を含む): 45040128

約数和(自身を除く): 24784542

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8377, 16754, 25131, 50262, 108901, 217802, 259687, 326703, 519374, 653406, 779061, 1558122, 3375931, 6751862, 10127793, 20255586]

約数ペア:

[(1, 20255586), (2, 10127793), (3, 6751862), (6, 3375931), (13, 1558122), (26, 779061), (31, 653406), (39, 519374), (62, 326703), (78, 259687), (93, 217802), (186, 108901), (403, 50262), (806, 25131), (1209, 16754), (2418, 8377)]