20189739248

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^2\times {\mathrm{4049}}^1$

素因数の和:4486

約数の個数: 60

約数和(自身を含む): 44929825200

約数和(自身を除く): 24740085952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 4049, 5908, 8098, 11816, 16196, 23632, 28343, 32392, 44521, 56686, 64784, 89042, 113372, 178084, 226744, 311647, 356168, 453488, 623294, 712336, 854339, 1246588, 1708678, 2493176, 3417356, 4986352, 5980373, 6834712, 11960746, 13669424, 23921492, 47842984, 95685968, 180265529, 360531058, 721062116, 1261858703, 1442124232, 2523717406, 2884248464, 5047434812, 10094869624, 20189739248]

約数ペア:

[(1, 20189739248), (2, 10094869624), (4, 5047434812), (7, 2884248464), (8, 2523717406), (14, 1442124232), (16, 1261858703), (28, 721062116), (56, 360531058), (112, 180265529), (211, 95685968), (422, 47842984), (844, 23921492), (1477, 13669424), (1688, 11960746), (2954, 6834712), (3376, 5980373), (4049, 4986352), (5908, 3417356), (8098, 2493176), (11816, 1708678), (16196, 1246588), (23632, 854339), (28343, 712336), (32392, 623294), (44521, 453488), (56686, 356168), (64784, 311647), (89042, 226744), (113372, 178084)]