20215435071

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{919}}^1\times {\mathrm{1009}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 29927673600

約数和(自身を除く): 9712238529

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 919, 1009, 1677, 2757, 3027, 7267, 11947, 13117, 21801, 35841, 39351, 39517, 43387, 118551, 130161, 155311, 170521, 465933, 511563, 513721, 564031, 927271, 1541163, 1692093, 2781813, 6678373, 7332403, 12054523, 20035119, 21997209, 36163569, 39872653, 119617959, 156708799, 470126397, 518344489, 1555033467, 6738478357, 20215435071]

約数ペア:

[(1, 20215435071), (3, 6738478357), (13, 1555033467), (39, 518344489), (43, 470126397), (129, 156708799), (169, 119617959), (507, 39872653), (559, 36163569), (919, 21997209), (1009, 20035119), (1677, 12054523), (2757, 7332403), (3027, 6678373), (7267, 2781813), (11947, 1692093), (13117, 1541163), (21801, 927271), (35841, 564031), (39351, 513721), (39517, 511563), (43387, 465933), (118551, 170521), (130161, 155311)]