20199472

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26861}}^1$

素因数の和:26916

約数の個数: 20

約数和(自身を含む): 39970656

約数和(自身を除く): 19771184

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26861, 53722, 107444, 214888, 429776, 1262467, 2524934, 5049868, 10099736, 20199472]

約数ペア:

[(1, 20199472), (2, 10099736), (4, 5049868), (8, 2524934), (16, 1262467), (47, 429776), (94, 214888), (188, 107444), (376, 53722), (752, 26861)]