20703578

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11119}}^1$

素因数の和:11154

約数の個数: 24

約数和(自身を含む): 38030400

約数和(自身を除く): 17326822

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11119, 22238, 77833, 155666, 211261, 422522, 544831, 1089662, 1478827, 2957654, 10351789, 20703578]

約数ペア:

[(1, 20703578), (2, 10351789), (7, 2957654), (14, 1478827), (19, 1089662), (38, 544831), (49, 422522), (98, 211261), (133, 155666), (266, 77833), (931, 22238), (1862, 11119)]