20009241

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4603}}^1$

素因数の和:4642

約数の個数: 32

約数和(自身を含む): 35358720

約数和(自身を除く): 15349479

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4603, 13809, 32221, 41427, 96663, 105869, 124281, 289989, 317607, 741083, 869967, 952821, 2223249, 2858463, 6669747, 20009241]

約数ペア:

[(1, 20009241), (3, 6669747), (7, 2858463), (9, 2223249), (21, 952821), (23, 869967), (27, 741083), (63, 317607), (69, 289989), (161, 124281), (189, 105869), (207, 96663), (483, 41427), (621, 32221), (1449, 13809), (4347, 4603)]