20219836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4273}}^1$

素因数の和:4310

約数の個数: 36

約数和(自身を含む): 43799952

約数和(自身を除く): 23580116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4273, 4732, 8546, 17092, 29911, 55549, 59822, 111098, 119644, 222196, 388843, 722137, 777686, 1444274, 1555372, 2888548, 5054959, 10109918, 20219836]

約数ペア:

[(1, 20219836), (2, 10109918), (4, 5054959), (7, 2888548), (13, 1555372), (14, 1444274), (26, 777686), (28, 722137), (52, 388843), (91, 222196), (169, 119644), (182, 111098), (338, 59822), (364, 55549), (676, 29911), (1183, 17092), (2366, 8546), (4273, 4732)]