20108648

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{857}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 23134552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 838, 857, 1676, 1714, 2933, 3352, 3428, 5866, 5999, 6856, 11732, 11998, 23464, 23996, 47992, 359083, 718166, 1436332, 2513581, 2872664, 5027162, 10054324, 20108648]

約数ペア:

[(1, 20108648), (2, 10054324), (4, 5027162), (7, 2872664), (8, 2513581), (14, 1436332), (28, 718166), (56, 359083), (419, 47992), (838, 23996), (857, 23464), (1676, 11998), (1714, 11732), (2933, 6856), (3352, 5999), (3428, 5866)]