20101941

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 30018560

約数和(自身を除く): 9916619

約数列:

[1, 3, 9, 43, 127, 129, 381, 387, 409, 1143, 1227, 3681, 5461, 16383, 17587, 49149, 51943, 52761, 155829, 158283, 467487, 2233549, 6700647, 20101941]

約数ペア:

[(1, 20101941), (3, 6700647), (9, 2233549), (43, 467487), (127, 158283), (129, 155829), (381, 52761), (387, 51943), (409, 49149), (1143, 17587), (1227, 16383), (3681, 5461)]