20854251

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{673}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 33015216

約数和(自身を除く): 12160965

約数列:

[1, 3, 9, 11, 33, 99, 313, 673, 939, 2019, 2817, 3443, 6057, 7403, 10329, 22209, 30987, 66627, 210649, 631947, 1895841, 2317139, 6951417, 20854251]

約数ペア:

[(1, 20854251), (3, 6951417), (9, 2317139), (11, 1895841), (33, 631947), (99, 210649), (313, 66627), (673, 30987), (939, 22209), (2019, 10329), (2817, 7403), (3443, 6057)]