20755740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11159}}^1$

素因数の和:11202

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 39240420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11159, 22318, 33477, 44636, 55795, 66954, 111590, 133908, 167385, 223180, 334770, 345929, 669540, 691858, 1037787, 1383716, 1729645, 2075574, 3459290, 4151148, 5188935, 6918580, 10377870, 20755740]

約数ペア:

[(1, 20755740), (2, 10377870), (3, 6918580), (4, 5188935), (5, 4151148), (6, 3459290), (10, 2075574), (12, 1729645), (15, 1383716), (20, 1037787), (30, 691858), (31, 669540), (60, 345929), (62, 334770), (93, 223180), (124, 167385), (155, 133908), (186, 111590), (310, 66954), (372, 55795), (465, 44636), (620, 33477), (930, 22318), (1860, 11159)]