20890692

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10949}}^1$

素因数の和:11012

約数の個数: 36

約数和(自身を含む): 53808300

約数和(自身を除く): 32917608

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10949, 21898, 32847, 43796, 65694, 98541, 131388, 197082, 394164, 580297, 1160594, 1740891, 2321188, 3481782, 5222673, 6963564, 10445346, 20890692]

約数ペア:

[(1, 20890692), (2, 10445346), (3, 6963564), (4, 5222673), (6, 3481782), (9, 2321188), (12, 1740891), (18, 1160594), (36, 580297), (53, 394164), (106, 197082), (159, 131388), (212, 98541), (318, 65694), (477, 43796), (636, 32847), (954, 21898), (1908, 10949)]