20559518

素因数分解:

$2^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1087}}^1$

素因数の和:1296

約数の個数: 24

約数和(自身を含む): 36093312

約数和(自身を除く): 15533794

約数列:

[1, 2, 7, 14, 49, 98, 193, 386, 1087, 1351, 2174, 2702, 7609, 9457, 15218, 18914, 53263, 106526, 209791, 419582, 1468537, 2937074, 10279759, 20559518]

約数ペア:

[(1, 20559518), (2, 10279759), (7, 2937074), (14, 1468537), (49, 419582), (98, 209791), (193, 106526), (386, 53263), (1087, 18914), (1351, 15218), (2174, 9457), (2702, 7609)]