20828646

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5189}}^1$

素因数の和:5420

約数の個数: 24

約数和(自身を含む): 45339840

約数和(自身を除く): 24511194

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 5189, 10378, 15567, 31134, 46701, 93402, 1157147, 2314294, 3471441, 6942882, 10414323, 20828646]

約数ペア:

[(1, 20828646), (2, 10414323), (3, 6942882), (6, 3471441), (9, 2314294), (18, 1157147), (223, 93402), (446, 46701), (669, 31134), (1338, 15567), (2007, 10378), (4014, 5189)]