20665365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 38196480

約数和(自身を除く): 17531115

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2029, 2037, 3395, 6087, 10145, 10185, 14203, 30435, 42609, 71015, 196813, 213045, 590439, 984065, 1377691, 2952195, 4133073, 6888455, 20665365]

約数ペア:

[(1, 20665365), (3, 6888455), (5, 4133073), (7, 2952195), (15, 1377691), (21, 984065), (35, 590439), (97, 213045), (105, 196813), (291, 71015), (485, 42609), (679, 30435), (1455, 14203), (2029, 10185), (2037, 10145), (3395, 6087)]