20729043748

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{543157}}^1$

素因数の和:543244

約数の個数: 48

約数和(自身を含む): 43800261120

約数和(自身を除く): 23071217372

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 658, 812, 1316, 1363, 2726, 5452, 9541, 19082, 38164, 543157, 1086314, 2172628, 3802099, 7604198, 15208396, 15751553, 25528379, 31503106, 51056758, 63006212, 102113516, 110260871, 178698653, 220521742, 357397306, 441043484, 714794612, 740322991, 1480645982, 2961291964, 5182260937, 10364521874, 20729043748]

約数ペア:

[(1, 20729043748), (2, 10364521874), (4, 5182260937), (7, 2961291964), (14, 1480645982), (28, 740322991), (29, 714794612), (47, 441043484), (58, 357397306), (94, 220521742), (116, 178698653), (188, 110260871), (203, 102113516), (329, 63006212), (406, 51056758), (658, 31503106), (812, 25528379), (1316, 15751553), (1363, 15208396), (2726, 7604198), (5452, 3802099), (9541, 2172628), (19082, 1086314), (38164, 543157)]