20962641

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2417}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 12115599

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2417, 2891, 7251, 8673, 16919, 50757, 118433, 142603, 355299, 427809, 998221, 2994663, 6987547, 20962641]

約数ペア:

[(1, 20962641), (3, 6987547), (7, 2994663), (21, 998221), (49, 427809), (59, 355299), (147, 142603), (177, 118433), (413, 50757), (1239, 16919), (2417, 8673), (2891, 7251)]