20101952

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:715

約数の個数: 56

約数和(自身を含む): 44186856

約数和(自身を除く): 24084904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 653, 832, 962, 1184, 1306, 1924, 2368, 2612, 3848, 5224, 7696, 8489, 10448, 15392, 16978, 20896, 24161, 30784, 33956, 41792, 48322, 67912, 96644, 135824, 193288, 271648, 314093, 386576, 543296, 628186, 773152, 1256372, 1546304, 2512744, 5025488, 10050976, 20101952]

約数ペア:

[(1, 20101952), (2, 10050976), (4, 5025488), (8, 2512744), (13, 1546304), (16, 1256372), (26, 773152), (32, 628186), (37, 543296), (52, 386576), (64, 314093), (74, 271648), (104, 193288), (148, 135824), (208, 96644), (296, 67912), (416, 48322), (481, 41792), (592, 33956), (653, 30784), (832, 24161), (962, 20896), (1184, 16978), (1306, 15392), (1924, 10448), (2368, 8489), (2612, 7696), (3848, 5224)]