20545436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{743}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 37330944

約数和(自身を除く): 16785508

約数列:

[1, 2, 4, 31, 62, 124, 223, 446, 743, 892, 1486, 2972, 6913, 13826, 23033, 27652, 46066, 92132, 165689, 331378, 662756, 5136359, 10272718, 20545436]

約数ペア:

[(1, 20545436), (2, 10272718), (4, 5136359), (31, 662756), (62, 331378), (124, 165689), (223, 92132), (446, 46066), (743, 27652), (892, 23033), (1486, 13826), (2972, 6913)]