20161851780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48004409}}^1$

素因数の和:48004428

約数の個数: 48

約数和(自身を含む): 64517927040

約数和(自身を除く): 44356075260

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, 48004409, 96008818, 144013227, 192017636, 240022045, 288026454, 336030863, 480044090, 576052908, 672061726, 720066135, 960088180, 1008092589, 1344123452, 1440132270, 1680154315, 2016185178, 2880264540, 3360308630, 4032370356, 5040462945, 6720617260, 10080925890, 20161851780]

約数ペア:

[(1, 20161851780), (2, 10080925890), (3, 6720617260), (4, 5040462945), (5, 4032370356), (6, 3360308630), (7, 2880264540), (10, 2016185178), (12, 1680154315), (14, 1440132270), (15, 1344123452), (20, 1008092589), (21, 960088180), (28, 720066135), (30, 672061726), (35, 576052908), (42, 480044090), (60, 336030863), (70, 288026454), (84, 240022045), (105, 192017636), (140, 144013227), (210, 96008818), (420, 48004409)]