20506338

素因数分解:

$2^1\times 3^3\times {\mathrm{401}}^1\times {\mathrm{947}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 45731520

約数和(自身を除く): 25225182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 401, 802, 947, 1203, 1894, 2406, 2841, 3609, 5682, 7218, 8523, 10827, 17046, 21654, 25569, 51138, 379747, 759494, 1139241, 2278482, 3417723, 6835446, 10253169, 20506338]

約数ペア:

[(1, 20506338), (2, 10253169), (3, 6835446), (6, 3417723), (9, 2278482), (18, 1139241), (27, 759494), (54, 379747), (401, 51138), (802, 25569), (947, 21654), (1203, 17046), (1894, 10827), (2406, 8523), (2841, 7218), (3609, 5682)]