20345031

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6871}}^1$

素因数の和:6931

約数の個数: 24

約数和(自身を含む): 34305024

約数和(自身を除く): 13959993

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6871, 20613, 48097, 61839, 144291, 322937, 432873, 968811, 2260559, 2906433, 6781677, 20345031]

約数ペア:

[(1, 20345031), (3, 6781677), (7, 2906433), (9, 2260559), (21, 968811), (47, 432873), (63, 322937), (141, 144291), (329, 61839), (423, 48097), (987, 20613), (2961, 6871)]