20217782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{33809}}^1$

素因数の和:33847

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 13862698

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 33809, 67618, 439517, 777607, 879034, 1555214, 10108891, 20217782]

約数ペア:

[(1, 20217782), (2, 10108891), (13, 1555214), (23, 879034), (26, 777607), (46, 439517), (299, 67618), (598, 33809)]