20688074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15807286

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1151, 1634, 2302, 8987, 12661, 17974, 21869, 25322, 43738, 49493, 98986, 240559, 481118, 544423, 940367, 1088846, 1880734, 10344037, 20688074]

約数ペア:

[(1, 20688074), (2, 10344037), (11, 1880734), (19, 1088846), (22, 940367), (38, 544423), (43, 481118), (86, 240559), (209, 98986), (418, 49493), (473, 43738), (817, 25322), (946, 21869), (1151, 17974), (1634, 12661), (2302, 8987)]