20554620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11813}}^1$

素因数の和:11854

約数の個数: 48

約数和(自身を含む): 59542560

約数和(自身を除く): 38987940

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, 11813, 23626, 35439, 47252, 59065, 70878, 118130, 141756, 177195, 236260, 342577, 354390, 685154, 708780, 1027731, 1370308, 1712885, 2055462, 3425770, 4110924, 5138655, 6851540, 10277310, 20554620]

約数ペア:

[(1, 20554620), (2, 10277310), (3, 6851540), (4, 5138655), (5, 4110924), (6, 3425770), (10, 2055462), (12, 1712885), (15, 1370308), (20, 1027731), (29, 708780), (30, 685154), (58, 354390), (60, 342577), (87, 236260), (116, 177195), (145, 141756), (174, 118130), (290, 70878), (348, 59065), (435, 47252), (580, 35439), (870, 23626), (1740, 11813)]