20852013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4493}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 36239616

約数和(自身を除く): 15387603

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4493, 4641, 13479, 31451, 58409, 76381, 94353, 175227, 229143, 408863, 534667, 992953, 1226589, 1604001, 2978859, 6950671, 20852013]

約数ペア:

[(1, 20852013), (3, 6950671), (7, 2978859), (13, 1604001), (17, 1226589), (21, 992953), (39, 534667), (51, 408863), (91, 229143), (119, 175227), (221, 94353), (273, 76381), (357, 58409), (663, 31451), (1547, 13479), (4493, 4641)]