20189974

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^2$

素因数の和:484

約数の個数: 24

約数和(自身を含む): 35966160

約数和(自身を除く): 15776186

約数列:

[1, 2, 7, 14, 29, 58, 203, 223, 406, 446, 1561, 3122, 6467, 12934, 45269, 49729, 90538, 99458, 348103, 696206, 1442141, 2884282, 10094987, 20189974]

約数ペア:

[(1, 20189974), (2, 10094987), (7, 2884282), (14, 1442141), (29, 696206), (58, 348103), (203, 99458), (223, 90538), (406, 49729), (446, 45269), (1561, 12934), (3122, 6467)]