20840148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82699}}^1$

素因数の和:82716

約数の個数: 36

約数和(自身を含む): 60205600

約数和(自身を除く): 39365452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82699, 165398, 248097, 330796, 496194, 578893, 744291, 992388, 1157786, 1488582, 1736679, 2315572, 2977164, 3473358, 5210037, 6946716, 10420074, 20840148]

約数ペア:

[(1, 20840148), (2, 10420074), (3, 6946716), (4, 5210037), (6, 3473358), (7, 2977164), (9, 2315572), (12, 1736679), (14, 1488582), (18, 1157786), (21, 992388), (28, 744291), (36, 578893), (42, 496194), (63, 330796), (84, 248097), (126, 165398), (252, 82699)]