20996906108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{308778031}}^1$

素因数の和:308778052

約数の個数: 12

約数和(自身を含む): 38906032032

約数和(自身を除く): 17909125924

約数列:

[1, 2, 4, 17, 34, 68, 308778031, 617556062, 1235112124, 5249226527, 10498453054, 20996906108]

約数ペア:

[(1, 20996906108), (2, 10498453054), (4, 5249226527), (17, 1235112124), (34, 617556062), (68, 308778031)]