20287065

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 33417216

約数和(自身を除く): 13130151

約数列:

[1, 3, 5, 15, 73, 97, 191, 219, 291, 365, 485, 573, 955, 1095, 1455, 2865, 7081, 13943, 18527, 21243, 35405, 41829, 55581, 69715, 92635, 106215, 209145, 277905, 1352471, 4057413, 6762355, 20287065]

約数ペア:

[(1, 20287065), (3, 6762355), (5, 4057413), (15, 1352471), (73, 277905), (97, 209145), (191, 106215), (219, 92635), (291, 69715), (365, 55581), (485, 41829), (573, 35405), (955, 21243), (1095, 18527), (1455, 13943), (2865, 7081)]