20176985108

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1\times {\mathrm{17419}}^1$

素因数の和:18480

約数の個数: 48

約数和(自身を含む): 41381558400

約数和(自身を除く): 21204573292

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1009, 1148, 2018, 4036, 7063, 14126, 17419, 28252, 34838, 41369, 69676, 82738, 121933, 165476, 243866, 289583, 487732, 579166, 714179, 1158332, 1428358, 2856716, 4999253, 9998506, 17575771, 19997012, 35151542, 70303084, 123030397, 246060794, 492121588, 720606611, 1441213222, 2882426444, 5044246277, 10088492554, 20176985108]

約数ペア:

[(1, 20176985108), (2, 10088492554), (4, 5044246277), (7, 2882426444), (14, 1441213222), (28, 720606611), (41, 492121588), (82, 246060794), (164, 123030397), (287, 70303084), (574, 35151542), (1009, 19997012), (1148, 17575771), (2018, 9998506), (4036, 4999253), (7063, 2856716), (14126, 1428358), (17419, 1158332), (28252, 714179), (34838, 579166), (41369, 487732), (69676, 289583), (82738, 243866), (121933, 165476)]