20159090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41141}}^1$

素因数の和:41162

約数の個数: 24

約数和(自身を含む): 42211692

約数和(自身を除く): 22052602

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41141, 82282, 205705, 287987, 411410, 575974, 1439935, 2015909, 2879870, 4031818, 10079545, 20159090]

約数ペア:

[(1, 20159090), (2, 10079545), (5, 4031818), (7, 2879870), (10, 2015909), (14, 1439935), (35, 575974), (49, 411410), (70, 287987), (98, 205705), (245, 82282), (490, 41141)]