20077986502

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1\times {\mathrm{751}}^1$

素因数の和:1213

約数の個数: 64

約数和(自身を含む): 35506335744

約数和(自身を除く): 15428349242

約数列:

[1, 2, 7, 14, 53, 106, 137, 263, 274, 371, 526, 742, 751, 959, 1502, 1841, 1918, 3682, 5257, 7261, 10514, 13939, 14522, 27878, 36031, 39803, 50827, 72062, 79606, 97573, 101654, 102887, 195146, 197513, 205774, 252217, 278621, 395026, 504434, 557242, 720209, 1382591, 1440418, 1909643, 2765182, 3819286, 5453011, 10468189, 10906022, 13367501, 20936378, 26735002, 27059281, 38171077, 54118562, 73277323, 76342154, 146554646, 189414967, 378829934, 1434141893, 2868283786, 10038993251, 20077986502]

約数ペア:

[(1, 20077986502), (2, 10038993251), (7, 2868283786), (14, 1434141893), (53, 378829934), (106, 189414967), (137, 146554646), (263, 76342154), (274, 73277323), (371, 54118562), (526, 38171077), (742, 27059281), (751, 26735002), (959, 20936378), (1502, 13367501), (1841, 10906022), (1918, 10468189), (3682, 5453011), (5257, 3819286), (7261, 2765182), (10514, 1909643), (13939, 1440418), (14522, 1382591), (27878, 720209), (36031, 557242), (39803, 504434), (50827, 395026), (72062, 278621), (79606, 252217), (97573, 205774), (101654, 197513), (102887, 195146)]