20714355

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{479}}^1$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 37177920

約数和(自身を除く): 16463565

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 479, 961, 1395, 1437, 2395, 2883, 4311, 4805, 7185, 8649, 14415, 14849, 21555, 43245, 44547, 74245, 133641, 222735, 460319, 668205, 1380957, 2301595, 4142871, 6904785, 20714355]

約数ペア:

[(1, 20714355), (3, 6904785), (5, 4142871), (9, 2301595), (15, 1380957), (31, 668205), (45, 460319), (93, 222735), (155, 133641), (279, 74245), (465, 44547), (479, 43245), (961, 21555), (1395, 14849), (1437, 14415), (2395, 8649), (2883, 7185), (4311, 4805)]