20628356

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5801}}^1$

素因数の和:5939

約数の個数: 24

約数和(自身を含む): 41588736

約数和(自身を除く): 20960380

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5801, 11602, 23204, 40607, 81214, 162428, 736727, 1473454, 2946908, 5157089, 10314178, 20628356]

約数ペア:

[(1, 20628356), (2, 10314178), (4, 5157089), (7, 2946908), (14, 1473454), (28, 736727), (127, 162428), (254, 81214), (508, 40607), (889, 23204), (1778, 11602), (3556, 5801)]