20019276

素因数分解:

$2^2\times 3^2\times {\mathrm{359}}^1\times {\mathrm{1549}}^1$

素因数の和:1918

約数の個数: 36

約数和(自身を含む): 50778000

約数和(自身を除く): 30758724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 359, 718, 1077, 1436, 1549, 2154, 3098, 3231, 4308, 4647, 6196, 6462, 9294, 12924, 13941, 18588, 27882, 55764, 556091, 1112182, 1668273, 2224364, 3336546, 5004819, 6673092, 10009638, 20019276]

約数ペア:

[(1, 20019276), (2, 10009638), (3, 6673092), (4, 5004819), (6, 3336546), (9, 2224364), (12, 1668273), (18, 1112182), (36, 556091), (359, 55764), (718, 27882), (1077, 18588), (1436, 13941), (1549, 12924), (2154, 9294), (3098, 6462), (3231, 6196), (4308, 4647)]