20112255

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4177}}^1$

素因数の和:4295

約数の個数: 24

約数和(自身を含む): 35195472

約数和(自身を除く): 15083217

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4177, 4815, 12531, 20885, 37593, 62655, 187965, 446939, 1340817, 2234695, 4022451, 6704085, 20112255]

約数ペア:

[(1, 20112255), (3, 6704085), (5, 4022451), (9, 2234695), (15, 1340817), (45, 446939), (107, 187965), (321, 62655), (535, 37593), (963, 20885), (1605, 12531), (4177, 4815)]