20803342

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12487}}^1$

素因数の和:12520

約数の個数: 24

約数和(自身を含む): 38438064

約数和(自身を除く): 17634722

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12487, 24974, 87409, 174818, 212279, 424558, 611863, 1223726, 1485953, 2971906, 10401671, 20803342]

約数ペア:

[(1, 20803342), (2, 10401671), (7, 2971906), (14, 1485953), (17, 1223726), (34, 611863), (49, 424558), (98, 212279), (119, 174818), (238, 87409), (833, 24974), (1666, 12487)]