20408324

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1163}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 36959328

約数和(自身を除く): 16551004

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1163, 2326, 4387, 4652, 8774, 17548, 47683, 95366, 124441, 190732, 248882, 497764, 5102081, 10204162, 20408324]

約数ペア:

[(1, 20408324), (2, 10204162), (4, 5102081), (41, 497764), (82, 248882), (107, 190732), (164, 124441), (214, 95366), (428, 47683), (1163, 17548), (2326, 8774), (4387, 4652)]