20136480020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{138319}}^1$

素因数の和:138608

約数の個数: 48

約数和(自身を含む): 43919366400

約数和(自身を除く): 23782886380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 251, 290, 502, 580, 1004, 1255, 2510, 5020, 7279, 14558, 29116, 36395, 72790, 138319, 145580, 276638, 553276, 691595, 1383190, 2766380, 4011251, 8022502, 16045004, 20056255, 34718069, 40112510, 69436138, 80225020, 138872276, 173590345, 347180690, 694361380, 1006824001, 2013648002, 4027296004, 5034120005, 10068240010, 20136480020]

約数ペア:

[(1, 20136480020), (2, 10068240010), (4, 5034120005), (5, 4027296004), (10, 2013648002), (20, 1006824001), (29, 694361380), (58, 347180690), (116, 173590345), (145, 138872276), (251, 80225020), (290, 69436138), (502, 40112510), (580, 34718069), (1004, 20056255), (1255, 16045004), (2510, 8022502), (5020, 4011251), (7279, 2766380), (14558, 1383190), (29116, 691595), (36395, 553276), (72790, 276638), (138319, 145580)]