20103909

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12244251

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 389, 483, 749, 1167, 2247, 2461, 2723, 7383, 8169, 8947, 17227, 26841, 41623, 51681, 62629, 124869, 187887, 291361, 874083, 957329, 2871987, 6701303, 20103909]

約数ペア:

[(1, 20103909), (3, 6701303), (7, 2871987), (21, 957329), (23, 874083), (69, 291361), (107, 187887), (161, 124869), (321, 62629), (389, 51681), (483, 41623), (749, 26841), (1167, 17227), (2247, 8947), (2461, 8169), (2723, 7383)]