20126850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 50413440

約数和(自身を除く): 30286590

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 150, 218, 327, 545, 654, 1090, 1231, 1635, 2462, 2725, 3270, 3693, 5450, 6155, 7386, 8175, 12310, 16350, 18465, 30775, 36930, 61550, 92325, 134179, 184650, 268358, 402537, 670895, 805074, 1341790, 2012685, 3354475, 4025370, 6708950, 10063425, 20126850]

約数ペア:

[(1, 20126850), (2, 10063425), (3, 6708950), (5, 4025370), (6, 3354475), (10, 2012685), (15, 1341790), (25, 805074), (30, 670895), (50, 402537), (75, 268358), (109, 184650), (150, 134179), (218, 92325), (327, 61550), (545, 36930), (654, 30775), (1090, 18465), (1231, 16350), (1635, 12310), (2462, 8175), (2725, 7386), (3270, 6155), (3693, 5450)]