20008868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1303}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 38337600

約数和(自身を除く): 18328732

約数列:

[1, 2, 4, 11, 22, 44, 349, 698, 1303, 1396, 2606, 3839, 5212, 7678, 14333, 15356, 28666, 57332, 454747, 909494, 1818988, 5002217, 10004434, 20008868]

約数ペア:

[(1, 20008868), (2, 10004434), (4, 5002217), (11, 1818988), (22, 909494), (44, 454747), (349, 57332), (698, 28666), (1303, 15356), (1396, 14333), (2606, 7678), (3839, 5212)]