20662876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9241}}^1$

素因数の和:9301

約数の個数: 24

約数和(自身を含む): 39851504

約数和(自身を除く): 19188628

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9241, 18482, 36964, 120133, 240266, 397363, 480532, 794726, 1589452, 5165719, 10331438, 20662876]

約数ペア:

[(1, 20662876), (2, 10331438), (4, 5165719), (13, 1589452), (26, 794726), (43, 480532), (52, 397363), (86, 240266), (172, 120133), (559, 36964), (1118, 18482), (2236, 9241)]