20378764

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25097}}^1$

素因数の和:25137

約数の個数: 24

約数和(自身を含む): 42164640

約数和(自身を除く): 21785876

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25097, 50194, 100388, 175679, 351358, 702716, 727813, 1455626, 2911252, 5094691, 10189382, 20378764]

約数ペア:

[(1, 20378764), (2, 10189382), (4, 5094691), (7, 2911252), (14, 1455626), (28, 727813), (29, 702716), (58, 351358), (116, 175679), (203, 100388), (406, 50194), (812, 25097)]