20690530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17387}}^1$

素因数の和:17418

約数の個数: 32

約数和(自身を含む): 45069696

約数和(自身を除く): 24379166

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17387, 34774, 86935, 121709, 173870, 243418, 295579, 591158, 608545, 1217090, 1477895, 2069053, 2955790, 4138106, 10345265, 20690530]

約数ペア:

[(1, 20690530), (2, 10345265), (5, 4138106), (7, 2955790), (10, 2069053), (14, 1477895), (17, 1217090), (34, 608545), (35, 591158), (70, 295579), (85, 243418), (119, 173870), (170, 121709), (238, 86935), (595, 34774), (1190, 17387)]