20422983

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11717817

約数列:

[1, 3, 7, 21, 61, 107, 149, 183, 321, 427, 447, 749, 1043, 1281, 2247, 3129, 6527, 9089, 15943, 19581, 27267, 45689, 47829, 63623, 111601, 137067, 190869, 334803, 972523, 2917569, 6807661, 20422983]

約数ペア:

[(1, 20422983), (3, 6807661), (7, 2917569), (21, 972523), (61, 334803), (107, 190869), (149, 137067), (183, 111601), (321, 63623), (427, 47829), (447, 45689), (749, 27267), (1043, 19581), (1281, 15943), (2247, 9089), (3129, 6527)]