20984946

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 43296000

約数和(自身を除く): 22311054

約数列:

[1, 2, 3, 6, 43, 86, 129, 163, 258, 326, 489, 499, 978, 998, 1497, 2994, 7009, 14018, 21027, 21457, 42054, 42914, 64371, 81337, 128742, 162674, 244011, 488022, 3497491, 6994982, 10492473, 20984946]

約数ペア:

[(1, 20984946), (2, 10492473), (3, 6994982), (6, 3497491), (43, 488022), (86, 244011), (129, 162674), (163, 128742), (258, 81337), (326, 64371), (489, 42914), (499, 42054), (978, 21457), (998, 21027), (1497, 14018), (2994, 7009)]