20540199

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{827}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 29092608

約数和(自身を除く): 8552409

約数列:

[1, 3, 17, 51, 487, 827, 1461, 2481, 8279, 14059, 24837, 42177, 402749, 1208247, 6846733, 20540199]

約数ペア:

[(1, 20540199), (3, 6846733), (17, 1208247), (51, 402749), (487, 42177), (827, 24837), (1461, 14059), (2481, 8279)]