20999788938

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{11326747}}^1$

素因数の和:11326858

約数の個数: 24

約数和(自身を含む): 45941289888

約数和(自身を除く): 24941500950

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 618, 927, 1854, 11326747, 22653494, 33980241, 67960482, 101940723, 203881446, 1166654941, 2333309882, 3499964823, 6999929646, 10499894469, 20999788938]

約数ペア:

[(1, 20999788938), (2, 10499894469), (3, 6999929646), (6, 3499964823), (9, 2333309882), (18, 1166654941), (103, 203881446), (206, 101940723), (309, 67960482), (618, 33980241), (927, 22653494), (1854, 11326747)]