20705334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8563}}^1$

素因数の和:8612

約数の個数: 32

約数和(自身を含む): 46040064

約数和(自身を除く): 25334730

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8563, 17126, 25689, 51378, 111319, 222638, 265453, 333957, 530906, 667914, 796359, 1592718, 3450889, 6901778, 10352667, 20705334]

約数ペア:

[(1, 20705334), (2, 10352667), (3, 6901778), (6, 3450889), (13, 1592718), (26, 796359), (31, 667914), (39, 530906), (62, 333957), (78, 265453), (93, 222638), (186, 111319), (403, 51378), (806, 25689), (1209, 17126), (2418, 8563)]