16839480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20047}}^1$

素因数の和:20068

約数の個数: 64

約数和(自身を含む): 57738240

約数和(自身を除く): 40898760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 20047, 40094, 60141, 80188, 100235, 120282, 140329, 160376, 200470, 240564, 280658, 300705, 400940, 420987, 481128, 561316, 601410, 701645, 801880, 841974, 1122632, 1202820, 1403290, 1683948, 2104935, 2405640, 2806580, 3367896, 4209870, 5613160, 8419740, 16839480]

約数ペア:

[(1, 16839480), (2, 8419740), (3, 5613160), (4, 4209870), (5, 3367896), (6, 2806580), (7, 2405640), (8, 2104935), (10, 1683948), (12, 1403290), (14, 1202820), (15, 1122632), (20, 841974), (21, 801880), (24, 701645), (28, 601410), (30, 561316), (35, 481128), (40, 420987), (42, 400940), (56, 300705), (60, 280658), (70, 240564), (84, 200470), (105, 160376), (120, 140329), (140, 120282), (168, 100235), (210, 80188), (280, 60141), (420, 40094), (840, 20047)]