20618286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8527}}^1$

素因数の和:8576

約数の個数: 32

約数和(自身を含む): 45846528

約数和(自身を除く): 25228242

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8527, 17054, 25581, 51162, 110851, 221702, 264337, 332553, 528674, 665106, 793011, 1586022, 3436381, 6872762, 10309143, 20618286]

約数ペア:

[(1, 20618286), (2, 10309143), (3, 6872762), (6, 3436381), (13, 1586022), (26, 793011), (31, 665106), (39, 528674), (62, 332553), (78, 264337), (93, 221702), (186, 110851), (403, 51162), (806, 25581), (1209, 17054), (2418, 8527)]