20782828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1427}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 39824064

約数和(自身を除く): 19041236

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1427, 2854, 3641, 5708, 7282, 14564, 15697, 31394, 62788, 472337, 944674, 1889348, 5195707, 10391414, 20782828]

約数ペア:

[(1, 20782828), (2, 10391414), (4, 5195707), (11, 1889348), (22, 944674), (44, 472337), (331, 62788), (662, 31394), (1324, 15697), (1427, 14564), (2854, 7282), (3641, 5708)]