20157802011

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{2423}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 30139589376

約数和(自身を除く): 9981787365

約数列:

[1, 3, 9, 53, 107, 159, 163, 321, 477, 489, 963, 1467, 2423, 5671, 7269, 8639, 17013, 17441, 21807, 25917, 51039, 52323, 77751, 128419, 156969, 259261, 385257, 394949, 777783, 924373, 1155771, 1184847, 2333349, 2773119, 3554541, 8319357, 13740833, 20932297, 41222499, 42259543, 62796891, 123667497, 126778629, 188390673, 380335887, 2239755779, 6719267337, 20157802011]

約数ペア:

[(1, 20157802011), (3, 6719267337), (9, 2239755779), (53, 380335887), (107, 188390673), (159, 126778629), (163, 123667497), (321, 62796891), (477, 42259543), (489, 41222499), (963, 20932297), (1467, 13740833), (2423, 8319357), (5671, 3554541), (7269, 2773119), (8639, 2333349), (17013, 1184847), (17441, 1155771), (21807, 924373), (25917, 777783), (51039, 394949), (52323, 385257), (77751, 259261), (128419, 156969)]