15820016

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{26723}}^1$

素因数の和:26768

約数の個数: 20

約数和(自身を含む): 31480872

約数和(自身を除く): 15660856

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 26723, 53446, 106892, 213784, 427568, 988751, 1977502, 3955004, 7910008, 15820016]

約数ペア:

[(1, 15820016), (2, 7910008), (4, 3955004), (8, 1977502), (16, 988751), (37, 427568), (74, 213784), (148, 106892), (296, 53446), (592, 26723)]