20199779376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{172259}}^1$

素因数の和:172626

約数の個数: 80

約数和(自身を含む): 59808672000

約数和(自身を除く): 39608892624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 349, 698, 1047, 1396, 2094, 2443, 2792, 4188, 4886, 5584, 7329, 8376, 9772, 14658, 16752, 19544, 29316, 39088, 58632, 117264, 172259, 344518, 516777, 689036, 1033554, 1205813, 1378072, 2067108, 2411626, 2756144, 3617439, 4134216, 4823252, 7234878, 8268432, 9646504, 14469756, 19293008, 28939512, 57879024, 60118391, 120236782, 180355173, 240473564, 360710346, 420828737, 480947128, 721420692, 841657474, 961894256, 1262486211, 1442841384, 1683314948, 2524972422, 2885682768, 3366629896, 5049944844, 6733259792, 10099889688, 20199779376]

約数ペア:

[(1, 20199779376), (2, 10099889688), (3, 6733259792), (4, 5049944844), (6, 3366629896), (7, 2885682768), (8, 2524972422), (12, 1683314948), (14, 1442841384), (16, 1262486211), (21, 961894256), (24, 841657474), (28, 721420692), (42, 480947128), (48, 420828737), (56, 360710346), (84, 240473564), (112, 180355173), (168, 120236782), (336, 60118391), (349, 57879024), (698, 28939512), (1047, 19293008), (1396, 14469756), (2094, 9646504), (2443, 8268432), (2792, 7234878), (4188, 4823252), (4886, 4134216), (5584, 3617439), (7329, 2756144), (8376, 2411626), (9772, 2067108), (14658, 1378072), (16752, 1205813), (19544, 1033554), (29316, 689036), (39088, 516777), (58632, 344518), (117264, 172259)]