20156703

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5303}}^1$

素因数の和:5494

約数の個数: 16

約数和(自身を含む): 30890496

約数和(自身を除く): 10733793

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5303, 15909, 37121, 111363, 959843, 2879529, 6718901, 20156703]

約数ペア:

[(1, 20156703), (3, 6718901), (7, 2879529), (21, 959843), (181, 111363), (543, 37121), (1267, 15909), (3801, 5303)]