20227052020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20639849}}^1$

素因数の和:20639872

約数の個数: 36

約数和(自身を含む): 49411800900

約数和(自身を除く): 29184748880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20639849, 41279698, 82559396, 103199245, 144478943, 206398490, 288957886, 412796980, 577915772, 722394715, 1011352601, 1444789430, 2022705202, 2889578860, 4045410404, 5056763005, 10113526010, 20227052020]

約数ペア:

[(1, 20227052020), (2, 10113526010), (4, 5056763005), (5, 4045410404), (7, 2889578860), (10, 2022705202), (14, 1444789430), (20, 1011352601), (28, 722394715), (35, 577915772), (49, 412796980), (70, 288957886), (98, 206398490), (140, 144478943), (196, 103199245), (245, 82559396), (490, 41279698), (980, 20639849)]