20406484

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13751}}^1$

素因数の和:13815

約数の個数: 24

約数和(自身を含む): 41586048

約数和(自身を除く): 21179564

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13751, 27502, 55004, 96257, 192514, 385028, 728803, 1457606, 2915212, 5101621, 10203242, 20406484]

約数ペア:

[(1, 20406484), (2, 10203242), (4, 5101621), (7, 2915212), (14, 1457606), (28, 728803), (53, 385028), (106, 192514), (212, 96257), (371, 55004), (742, 27502), (1484, 13751)]