20898105

素因数分解:

$3^1\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1277}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 33493824

約数和(自身を除く): 12595719

約数列:

[1, 3, 5, 15, 1091, 1277, 3273, 3831, 5455, 6385, 16365, 19155, 1393207, 4179621, 6966035, 20898105]

約数ペア:

[(1, 20898105), (3, 6966035), (5, 4179621), (15, 1393207), (1091, 19155), (1277, 16365), (3273, 6385), (3831, 5455)]