20512019880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1726601}}^1$

素因数の和:1726632

約数の個数: 128

約数和(自身を含む): 74589206400

約数和(自身を除く): 54077186520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 1726601, 3453202, 5179803, 6906404, 8633005, 10359606, 13812808, 15539409, 17266010, 18992611, 20719212, 25899015, 31078818, 34532020, 37985222, 41438424, 46618227, 51798030, 56977833, 62157636, 69064040, 75970444, 77697045, 93236454, 94963055, 103596060, 113955666, 124315272, 151940888, 155394090, 170933499, 186472908, 189926110, 207192120, 227911332, 233091135, 284889165, 310788180, 341866998, 372945816, 379852220, 455822664, 466182270, 512800497, 569778330, 621576360, 683733996, 759704440, 854667495, 932364540, 1025600994, 1139556660, 1367467992, 1709334990, 1864729080, 2051201988, 2279113320, 2564002485, 3418669980, 4102403976, 5128004970, 6837339960, 10256009940, 20512019880]

約数ペア:

[(1, 20512019880), (2, 10256009940), (3, 6837339960), (4, 5128004970), (5, 4102403976), (6, 3418669980), (8, 2564002485), (9, 2279113320), (10, 2051201988), (11, 1864729080), (12, 1709334990), (15, 1367467992), (18, 1139556660), (20, 1025600994), (22, 932364540), (24, 854667495), (27, 759704440), (30, 683733996), (33, 621576360), (36, 569778330), (40, 512800497), (44, 466182270), (45, 455822664), (54, 379852220), (55, 372945816), (60, 341866998), (66, 310788180), (72, 284889165), (88, 233091135), (90, 227911332), (99, 207192120), (108, 189926110), (110, 186472908), (120, 170933499), (132, 155394090), (135, 151940888), (165, 124315272), (180, 113955666), (198, 103596060), (216, 94963055), (220, 93236454), (264, 77697045), (270, 75970444), (297, 69064040), (330, 62157636), (360, 56977833), (396, 51798030), (440, 46618227), (495, 41438424), (540, 37985222), (594, 34532020), (660, 31078818), (792, 25899015), (990, 20719212), (1080, 18992611), (1188, 17266010), (1320, 15539409), (1485, 13812808), (1980, 10359606), (2376, 8633005), (2970, 6906404), (3960, 5179803), (5940, 3453202), (11880, 1726601)]