20897318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47279}}^1$

素因数の和:47311

約数の個数: 16

約数和(自身を含む): 35743680

約数和(自身を除く): 14846362

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47279, 94558, 614627, 803743, 1229254, 1607486, 10448659, 20897318]

約数ペア:

[(1, 20897318), (2, 10448659), (13, 1607486), (17, 1229254), (26, 803743), (34, 614627), (221, 94558), (442, 47279)]