20181652

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 37535400

約数和(自身を除く): 17353748

約数列:

[1, 2, 4, 17, 34, 68, 449, 661, 898, 1322, 1796, 2644, 7633, 11237, 15266, 22474, 30532, 44948, 296789, 593578, 1187156, 5045413, 10090826, 20181652]

約数ペア:

[(1, 20181652), (2, 10090826), (4, 5045413), (17, 1187156), (34, 593578), (68, 296789), (449, 44948), (661, 30532), (898, 22474), (1322, 15266), (1796, 11237), (2644, 7633)]