20207130237

素因数分解:

$3^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{111487}}^1$

素因数の和:111647

約数の個数: 48

約数和(自身を含む): 35078584320

約数和(自身を除く): 14871454083

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 137, 147, 189, 411, 441, 959, 1233, 1323, 2877, 3699, 6713, 8631, 20139, 25893, 60417, 111487, 181251, 334461, 780409, 1003383, 2341227, 3010149, 5462863, 7023681, 15273719, 16388589, 21071043, 45821157, 49165767, 106916033, 137463471, 147497301, 320748099, 412390413, 748412231, 962244297, 2245236693, 2886732891, 6735710079, 20207130237]

約数ペア:

[(1, 20207130237), (3, 6735710079), (7, 2886732891), (9, 2245236693), (21, 962244297), (27, 748412231), (49, 412390413), (63, 320748099), (137, 147497301), (147, 137463471), (189, 106916033), (411, 49165767), (441, 45821157), (959, 21071043), (1233, 16388589), (1323, 15273719), (2877, 7023681), (3699, 5462863), (6713, 3010149), (8631, 2341227), (20139, 1003383), (25893, 780409), (60417, 334461), (111487, 181251)]