20786722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^2$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 35966160

約数和(自身を除く): 15179438

約数列:

[1, 2, 11, 19, 22, 38, 209, 223, 418, 446, 2453, 4237, 4906, 8474, 46607, 49729, 93214, 99458, 547019, 944851, 1094038, 1889702, 10393361, 20786722]

約数ペア:

[(1, 20786722), (2, 10393361), (11, 1889702), (19, 1094038), (22, 944851), (38, 547019), (209, 99458), (223, 93214), (418, 49729), (446, 46607), (2453, 8474), (4237, 4906)]