2220221456

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{219911}}^1$

素因数の和:220550

約数の個数: 20

約数和(自身を含む): 4308515904

約数和(自身を除く): 2088294448

約数列:

[1, 2, 4, 8, 16, 631, 1262, 2524, 5048, 10096, 219911, 439822, 879644, 1759288, 3518576, 138763841, 277527682, 555055364, 1110110728, 2220221456]

約数ペア:

[(1, 2220221456), (2, 1110110728), (4, 555055364), (8, 277527682), (16, 138763841), (631, 3518576), (1262, 1759288), (2524, 879644), (5048, 439822), (10096, 219911)]