16809240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20011}}^1$

素因数の和:20032

約数の個数: 64

約数和(自身を含む): 57634560

約数和(自身を除く): 40825320

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, 20011, 40022, 60033, 80044, 100055, 120066, 140077, 160088, 200110, 240132, 280154, 300165, 400220, 420231, 480264, 560308, 600330, 700385, 800440, 840462, 1120616, 1200660, 1400770, 1680924, 2101155, 2401320, 2801540, 3361848, 4202310, 5603080, 8404620, 16809240]

約数ペア:

[(1, 16809240), (2, 8404620), (3, 5603080), (4, 4202310), (5, 3361848), (6, 2801540), (7, 2401320), (8, 2101155), (10, 1680924), (12, 1400770), (14, 1200660), (15, 1120616), (20, 840462), (21, 800440), (24, 700385), (28, 600330), (30, 560308), (35, 480264), (40, 420231), (42, 400220), (56, 300165), (60, 280154), (70, 240132), (84, 200110), (105, 160088), (120, 140077), (140, 120066), (168, 100055), (210, 80044), (280, 60033), (420, 40022), (840, 20011)]