20618229

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{773}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 29201472

約数和(自身を除く): 8583243

約数列:

[1, 3, 17, 51, 523, 773, 1569, 2319, 8891, 13141, 26673, 39423, 404279, 1212837, 6872743, 20618229]

約数ペア:

[(1, 20618229), (3, 6872743), (17, 1212837), (51, 404279), (523, 39423), (773, 26673), (1569, 13141), (2319, 8891)]