20685744

素因数分解:

$2^4\times 3^2\times {\mathrm{143651}}^1$

素因数の和:143665

約数の個数: 30

約数和(自身を含む): 57891756

約数和(自身を除く): 37206012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143651, 287302, 430953, 574604, 861906, 1149208, 1292859, 1723812, 2298416, 2585718, 3447624, 5171436, 6895248, 10342872, 20685744]

約数ペア:

[(1, 20685744), (2, 10342872), (3, 6895248), (4, 5171436), (6, 3447624), (8, 2585718), (9, 2298416), (12, 1723812), (16, 1292859), (18, 1149208), (24, 861906), (36, 574604), (48, 430953), (72, 287302), (144, 143651)]