20584053

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 34107008

約数和(自身を除く): 13522955

約数列:

[1, 3, 7, 9, 21, 63, 397, 823, 1191, 2469, 2779, 3573, 5761, 7407, 8337, 17283, 25011, 51849, 326731, 980193, 2287117, 2940579, 6861351, 20584053]

約数ペア:

[(1, 20584053), (3, 6861351), (7, 2940579), (9, 2287117), (21, 980193), (63, 326731), (397, 51849), (823, 25011), (1191, 17283), (2469, 8337), (2779, 7407), (3573, 5761)]