20554172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 37333296

約数和(自身を除く): 16779124

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1637, 3139, 3274, 6278, 6548, 12556, 70391, 119501, 140782, 239002, 281564, 478004, 5138543, 10277086, 20554172]

約数ペア:

[(1, 20554172), (2, 10277086), (4, 5138543), (43, 478004), (73, 281564), (86, 239002), (146, 140782), (172, 119501), (292, 70391), (1637, 12556), (3139, 6548), (3274, 6278)]