22216940

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2281}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 46771872

約数和(自身を除く): 24554932

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2281, 2435, 4562, 4870, 9124, 9740, 11405, 22810, 45620, 1110847, 2221694, 4443388, 5554235, 11108470, 22216940]

約数ペア:

[(1, 22216940), (2, 11108470), (4, 5554235), (5, 4443388), (10, 2221694), (20, 1110847), (487, 45620), (974, 22810), (1948, 11405), (2281, 9740), (2435, 9124), (4562, 4870)]