20642244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245741}}^1$

素因数の和:245755

約数の個数: 24

約数和(自身を含む): 55046208

約数和(自身を除く): 34403964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245741, 491482, 737223, 982964, 1474446, 1720187, 2948892, 3440374, 5160561, 6880748, 10321122, 20642244]

約数ペア:

[(1, 20642244), (2, 10321122), (3, 6880748), (4, 5160561), (6, 3440374), (7, 2948892), (12, 1720187), (14, 1474446), (21, 982964), (28, 737223), (42, 491482), (84, 245741)]