20563695

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14741}}^1$

素因数の和:14783

約数の個数: 24

約数和(自身を含む): 36796032

約数和(自身を除く): 16232337

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14741, 44223, 73705, 132669, 221115, 456971, 663345, 1370913, 2284855, 4112739, 6854565, 20563695]

約数ペア:

[(1, 20563695), (3, 6854565), (5, 4112739), (9, 2284855), (15, 1370913), (31, 663345), (45, 456971), (93, 221115), (155, 132669), (279, 73705), (465, 44223), (1395, 14741)]