20404986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{485833}}^1$

素因数の和:485845

約数の個数: 16

約数和(自身を含む): 46640064

約数和(自身を除く): 26235078

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 485833, 971666, 1457499, 2914998, 3400831, 6801662, 10202493, 20404986]

約数ペア:

[(1, 20404986), (2, 10202493), (3, 6801662), (6, 3400831), (7, 2914998), (14, 1457499), (21, 971666), (42, 485833)]