20792277

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:402

約数の個数: 36

約数和(自身を含む): 33660172

約数和(自身を除く): 12867895

約数列:

[1, 3, 9, 11, 33, 61, 99, 121, 183, 313, 363, 549, 671, 939, 1089, 2013, 2817, 3443, 6039, 7381, 10329, 19093, 22143, 30987, 37873, 57279, 66429, 113619, 171837, 210023, 340857, 630069, 1890207, 2310253, 6930759, 20792277]

約数ペア:

[(1, 20792277), (3, 6930759), (9, 2310253), (11, 1890207), (33, 630069), (61, 340857), (99, 210023), (121, 171837), (183, 113619), (313, 66429), (363, 57279), (549, 37873), (671, 30987), (939, 22143), (1089, 19093), (2013, 10329), (2817, 7381), (3443, 6039)]