20577892

素因数分解:

$2^2\times {\mathrm{109}}^2\times {\mathrm{433}}^1$

素因数の和:655

約数の個数: 18

約数和(自身を含む): 36428658

約数和(自身を除く): 15850766

約数列:

[1, 2, 4, 109, 218, 433, 436, 866, 1732, 11881, 23762, 47197, 47524, 94394, 188788, 5144473, 10288946, 20577892]

約数ペア:

[(1, 20577892), (2, 10288946), (4, 5144473), (109, 188788), (218, 94394), (433, 47524), (436, 47197), (866, 23762), (1732, 11881)]