20942894

素因数分解:

$2^1\times 7^3\times {\mathrm{30529}}^1$

素因数の和:30552

約数の個数: 16

約数和(自身を含む): 36636000

約数和(自身を除く): 15693106

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 30529, 61058, 213703, 427406, 1495921, 2991842, 10471447, 20942894]

約数ペア:

[(1, 20942894), (2, 10471447), (7, 2991842), (14, 1495921), (49, 427406), (98, 213703), (343, 61058), (686, 30529)]