220750420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1003411}}^1$

素因数の和:1003431

約数の個数: 24

約数和(自身を含む): 505719648

約数和(自身を除く): 284969228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1003411, 2006822, 4013644, 5017055, 10034110, 11037521, 20068220, 22075042, 44150084, 55187605, 110375210, 220750420]

約数ペア:

[(1, 220750420), (2, 110375210), (4, 55187605), (5, 44150084), (10, 22075042), (11, 20068220), (20, 11037521), (22, 10034110), (44, 5017055), (55, 4013644), (110, 2006822), (220, 1003411)]