20997580857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{37657}}^1$

素因数の和:38009

約数の個数: 32

約数和(自身を含む): 31155517824

約数和(自身を除く): 10157936967

約数列:

[1, 3, 11, 33, 61, 183, 277, 671, 831, 2013, 3047, 9141, 16897, 37657, 50691, 112971, 185867, 414227, 557601, 1242681, 2297077, 6891231, 10430989, 25267847, 31292967, 75803541, 114740879, 344222637, 636290329, 1908870987, 6999193619, 20997580857]

約数ペア:

[(1, 20997580857), (3, 6999193619), (11, 1908870987), (33, 636290329), (61, 344222637), (183, 114740879), (277, 75803541), (671, 31292967), (831, 25267847), (2013, 10430989), (3047, 6891231), (9141, 2297077), (16897, 1242681), (37657, 557601), (50691, 414227), (112971, 185867)]