20072455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16253}}^1$

素因数の和:16290

約数の個数: 16

約数和(自身を含む): 27306720

約数和(自身を除く): 7234265

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16253, 81265, 211289, 308807, 1056445, 1544035, 4014491, 20072455]

約数ペア:

[(1, 20072455), (5, 4014491), (13, 1544035), (19, 1056445), (65, 308807), (95, 211289), (247, 81265), (1235, 16253)]