20263263

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 27563520

約数和(自身を除く): 7300257

約数列:

[1, 3, 79, 193, 237, 443, 579, 1329, 15247, 34997, 45741, 85499, 104991, 256497, 6754421, 20263263]

約数ペア:

[(1, 20263263), (3, 6754421), (79, 256497), (193, 104991), (237, 85499), (443, 45741), (579, 34997), (1329, 15247)]