19956545

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13907}}^1$

素因数の和:13960

約数の個数: 16

約数和(自身を含む): 28038528

約数和(自身を除く): 8081983

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 13907, 69535, 97349, 486745, 570187, 2850935, 3991309, 19956545]

約数ペア:

[(1, 19956545), (5, 3991309), (7, 2850935), (35, 570187), (41, 486745), (205, 97349), (287, 69535), (1435, 13907)]