20683380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11887}}^1$

素因数の和:11928

約数の個数: 48

約数和(自身を含む): 59915520

約数和(自身を除く): 39232140

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, 11887, 23774, 35661, 47548, 59435, 71322, 118870, 142644, 178305, 237740, 344723, 356610, 689446, 713220, 1034169, 1378892, 1723615, 2068338, 3447230, 4136676, 5170845, 6894460, 10341690, 20683380]

約数ペア:

[(1, 20683380), (2, 10341690), (3, 6894460), (4, 5170845), (5, 4136676), (6, 3447230), (10, 2068338), (12, 1723615), (15, 1378892), (20, 1034169), (29, 713220), (30, 689446), (58, 356610), (60, 344723), (87, 237740), (116, 178305), (145, 142644), (174, 118870), (290, 71322), (348, 59435), (435, 47548), (580, 35661), (870, 23774), (1740, 11887)]