20156821639

素因数分解:

${\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{21019}}^1$

素因数の和:21358

約数の個数: 16

約数和(自身を含む): 20851840000

約数和(自身を除く): 695018361

約数列:

[1, 61, 79, 199, 4819, 12139, 15721, 21019, 958981, 1282159, 1660501, 4182781, 101290561, 255149641, 330439699, 20156821639]

約数ペア:

[(1, 20156821639), (61, 330439699), (79, 255149641), (199, 101290561), (4819, 4182781), (12139, 1660501), (15721, 1282159), (21019, 958981)]