20914686

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9958

約数の個数: 40

約数和(自身を含む): 50474424

約数和(自身を除く): 29559738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9931, 19862, 29793, 59586, 89379, 129103, 178758, 258206, 268137, 387309, 536274, 774618, 804411, 1161927, 1608822, 2323854, 3485781, 6971562, 10457343, 20914686]

約数ペア:

[(1, 20914686), (2, 10457343), (3, 6971562), (6, 3485781), (9, 2323854), (13, 1608822), (18, 1161927), (26, 804411), (27, 774618), (39, 536274), (54, 387309), (78, 268137), (81, 258206), (117, 178758), (162, 129103), (234, 89379), (351, 59586), (702, 29793), (1053, 19862), (2106, 9931)]