20157152128

素因数分解:

$2^7\times {\mathrm{157}}^1\times {\mathrm{971}}^1\times {\mathrm{1033}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 40493383920

約数和(自身を除く): 20336231792

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 314, 628, 971, 1033, 1256, 1942, 2066, 2512, 3884, 4132, 5024, 7768, 8264, 10048, 15536, 16528, 20096, 31072, 33056, 62144, 66112, 124288, 132224, 152447, 162181, 304894, 324362, 609788, 648724, 1003043, 1219576, 1297448, 2006086, 2439152, 2594896, 4012172, 4878304, 5189792, 8024344, 9756608, 10379584, 16048688, 19513216, 20759168, 32097376, 64194752, 128389504, 157477751, 314955502, 629911004, 1259822008, 2519644016, 5039288032, 10078576064, 20157152128]

約数ペア:

[(1, 20157152128), (2, 10078576064), (4, 5039288032), (8, 2519644016), (16, 1259822008), (32, 629911004), (64, 314955502), (128, 157477751), (157, 128389504), (314, 64194752), (628, 32097376), (971, 20759168), (1033, 19513216), (1256, 16048688), (1942, 10379584), (2066, 9756608), (2512, 8024344), (3884, 5189792), (4132, 4878304), (5024, 4012172), (7768, 2594896), (8264, 2439152), (10048, 2006086), (15536, 1297448), (16528, 1219576), (20096, 1003043), (31072, 648724), (33056, 609788), (62144, 324362), (66112, 304894), (124288, 162181), (132224, 152447)]