20123013540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{45587}}^1$

素因数の和:46657

約数の個数: 96

約数和(自身を含む): 64456326144

約数和(自身を除く): 44333312604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1051, 2102, 3153, 4204, 5255, 6306, 7357, 10510, 12612, 14714, 15765, 21020, 22071, 29428, 31530, 36785, 44142, 45587, 63060, 73570, 88284, 91174, 110355, 136761, 147140, 182348, 220710, 227935, 273522, 319109, 441420, 455870, 547044, 638218, 683805, 911740, 957327, 1276436, 1367610, 1595545, 1914654, 2735220, 3191090, 3829308, 4786635, 6382180, 9573270, 19146540, 47911937, 95823874, 143735811, 191647748, 239559685, 287471622, 335383559, 479119370, 574943244, 670767118, 718679055, 958238740, 1006150677, 1341534236, 1437358110, 1676917795, 2012301354, 2874716220, 3353835590, 4024602708, 5030753385, 6707671180, 10061506770, 20123013540]

約数ペア:

[(1, 20123013540), (2, 10061506770), (3, 6707671180), (4, 5030753385), (5, 4024602708), (6, 3353835590), (7, 2874716220), (10, 2012301354), (12, 1676917795), (14, 1437358110), (15, 1341534236), (20, 1006150677), (21, 958238740), (28, 718679055), (30, 670767118), (35, 574943244), (42, 479119370), (60, 335383559), (70, 287471622), (84, 239559685), (105, 191647748), (140, 143735811), (210, 95823874), (420, 47911937), (1051, 19146540), (2102, 9573270), (3153, 6382180), (4204, 4786635), (5255, 3829308), (6306, 3191090), (7357, 2735220), (10510, 1914654), (12612, 1595545), (14714, 1367610), (15765, 1276436), (21020, 957327), (22071, 911740), (29428, 683805), (31530, 638218), (36785, 547044), (44142, 455870), (45587, 441420), (63060, 319109), (73570, 273522), (88284, 227935), (91174, 220710), (110355, 182348), (136761, 147140)]