20405966

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{50261}}^1$

素因数の和:50299

約数の個数: 16

約数和(自身を含む): 36188640

約数和(自身を除く): 15782674

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 50261, 100522, 351827, 703654, 1457569, 2915138, 10202983, 20405966]

約数ペア:

[(1, 20405966), (2, 10202983), (7, 2915138), (14, 1457569), (29, 703654), (58, 351827), (203, 100522), (406, 50261)]