20585733

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 32202720

約数和(自身を除く): 11616987

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 1069, 2751, 3207, 6419, 7483, 19257, 22449, 52381, 140039, 157143, 420117, 980273, 2940819, 6861911, 20585733]

約数ペア:

[(1, 20585733), (3, 6861911), (7, 2940819), (21, 980273), (49, 420117), (131, 157143), (147, 140039), (393, 52381), (917, 22449), (1069, 19257), (2751, 7483), (3207, 6419)]