20201937

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2473}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 30875520

約数和(自身を除く): 10673583

約数列:

[1, 3, 7, 21, 389, 1167, 2473, 2723, 7419, 8169, 17311, 51933, 961997, 2885991, 6733979, 20201937]

約数ペア:

[(1, 20201937), (3, 6733979), (7, 2885991), (21, 961997), (389, 51933), (1167, 17311), (2473, 8169), (2723, 7419)]