20734119

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 34355360

約数和(自身を除く): 13621241

約数列:

[1, 3, 7, 9, 21, 63, 397, 829, 1191, 2487, 2779, 3573, 5803, 7461, 8337, 17409, 25011, 52227, 329113, 987339, 2303791, 2962017, 6911373, 20734119]

約数ペア:

[(1, 20734119), (3, 6911373), (7, 2962017), (9, 2303791), (21, 987339), (63, 329113), (397, 52227), (829, 25011), (1191, 17409), (2487, 8337), (2779, 7461), (3573, 5803)]