20889616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118691}}^1$

素因数の和:118710

約数の個数: 20

約数和(自身を含む): 44153424

約数和(自身を除く): 23263808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118691, 237382, 474764, 949528, 1305601, 1899056, 2611202, 5222404, 10444808, 20889616]

約数ペア:

[(1, 20889616), (2, 10444808), (4, 5222404), (8, 2611202), (11, 1899056), (16, 1305601), (22, 949528), (44, 474764), (88, 237382), (176, 118691)]