20023568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65867}}^1$

素因数の和:65894

約数の個数: 20

約数和(自身を含む): 40838160

約数和(自身を除く): 20814592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65867, 131734, 263468, 526936, 1053872, 1251473, 2502946, 5005892, 10011784, 20023568]

約数ペア:

[(1, 20023568), (2, 10011784), (4, 5005892), (8, 2502946), (16, 1251473), (19, 1053872), (38, 526936), (76, 263468), (152, 131734), (304, 65867)]