20603121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 34713600

約数和(自身を除く): 14110479

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1129, 1659, 2607, 3387, 6083, 7903, 12419, 18249, 23709, 37257, 86933, 89191, 260799, 267573, 624337, 981101, 1873011, 2943303, 6867707, 20603121]

約数ペア:

[(1, 20603121), (3, 6867707), (7, 2943303), (11, 1873011), (21, 981101), (33, 624337), (77, 267573), (79, 260799), (231, 89191), (237, 86933), (553, 37257), (869, 23709), (1129, 18249), (1659, 12419), (2607, 7903), (3387, 6083)]