20847002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22037}}^1$

素因数の和:22093

約数の個数: 16

約数和(自身を含む): 34908192

約数和(自身を除く): 14061190

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22037, 44074, 242407, 484814, 947591, 1895182, 10423501, 20847002]

約数ペア:

[(1, 20847002), (2, 10423501), (11, 1895182), (22, 947591), (43, 484814), (86, 242407), (473, 44074), (946, 22037)]