20644273

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 23783760

約数和(自身を除く): 3139487

約数列:

[1, 13, 17, 109, 221, 857, 1417, 1853, 11141, 14569, 24089, 93413, 189397, 1214369, 1588021, 20644273]

約数ペア:

[(1, 20644273), (13, 1588021), (17, 1214369), (109, 189397), (221, 93413), (857, 24089), (1417, 14569), (1853, 11141)]