20673626

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1037

約数の個数: 16

約数和(自身を含む): 31862688

約数和(自身を除く): 11189062

約数列:

[1, 2, 43, 86, 421, 571, 842, 1142, 18103, 24553, 36206, 49106, 240391, 480782, 10336813, 20673626]

約数ペア:

[(1, 20673626), (2, 10336813), (43, 480782), (86, 240391), (421, 49106), (571, 36206), (842, 24553), (1142, 18103)]