20362384

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 45318528

約数和(自身を除く): 24956144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 647, 1124, 1294, 1967, 2248, 2588, 3934, 4496, 4529, 5176, 7868, 9058, 10352, 15736, 18116, 31472, 36232, 72464, 181807, 363614, 727228, 1272649, 1454456, 2545298, 2908912, 5090596, 10181192, 20362384]

約数ペア:

[(1, 20362384), (2, 10181192), (4, 5090596), (7, 2908912), (8, 2545298), (14, 1454456), (16, 1272649), (28, 727228), (56, 363614), (112, 181807), (281, 72464), (562, 36232), (647, 31472), (1124, 18116), (1294, 15736), (1967, 10352), (2248, 9058), (2588, 7868), (3934, 5176), (4496, 4529)]