20443353

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1013}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 32220864

約数和(自身を除く): 11777511

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 1013, 2883, 3039, 6727, 7091, 20181, 21273, 31403, 94209, 219821, 659463, 973493, 2920479, 6814451, 20443353]

約数ペア:

[(1, 20443353), (3, 6814451), (7, 2920479), (21, 973493), (31, 659463), (93, 219821), (217, 94209), (651, 31403), (961, 21273), (1013, 20181), (2883, 7091), (3039, 6727)]