23971420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{108961}}^1$

素因数の和:108981

約数の個数: 24

約数和(自身を含む): 54916848

約数和(自身を除く): 30945428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 108961, 217922, 435844, 544805, 1089610, 1198571, 2179220, 2397142, 4794284, 5992855, 11985710, 23971420]

約数ペア:

[(1, 23971420), (2, 11985710), (4, 5992855), (5, 4794284), (10, 2397142), (11, 2179220), (20, 1198571), (22, 1089610), (44, 544805), (55, 435844), (110, 217922), (220, 108961)]