220443728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{444443}}^1$

素因数の和:444482

約数の個数: 20

約数和(自身を含む): 440888448

約数和(自身を除く): 220444720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 444443, 888886, 1777772, 3555544, 7111088, 13777733, 27555466, 55110932, 110221864, 220443728]

約数ペア:

[(1, 220443728), (2, 110221864), (4, 55110932), (8, 27555466), (16, 13777733), (31, 7111088), (62, 3555544), (124, 1777772), (248, 888886), (496, 444443)]