20752980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11927}}^1$

素因数の和:11968

約数の個数: 48

約数和(自身を含む): 60117120

約数和(自身を除く): 39364140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11927, 23854, 35781, 47708, 59635, 71562, 119270, 143124, 178905, 238540, 345883, 357810, 691766, 715620, 1037649, 1383532, 1729415, 2075298, 3458830, 4150596, 5188245, 6917660, 10376490, 20752980]

約数ペア:

[(1, 20752980), (2, 10376490), (3, 6917660), (4, 5188245), (5, 4150596), (6, 3458830), (10, 2075298), (12, 1729415), (15, 1383532), (20, 1037649), (29, 715620), (30, 691766), (58, 357810), (60, 345883), (87, 238540), (116, 178905), (145, 143124), (174, 119270), (290, 71562), (348, 59635), (435, 47708), (580, 35781), (870, 23854), (1740, 11927)]