20208789

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 10454571

約数列:

[1, 3, 9, 23, 69, 207, 233, 419, 699, 1257, 2097, 3771, 5359, 9637, 16077, 28911, 48231, 86733, 97627, 292881, 878643, 2245421, 6736263, 20208789]

約数ペア:

[(1, 20208789), (3, 6736263), (9, 2245421), (23, 878643), (69, 292881), (207, 97627), (233, 86733), (419, 48231), (699, 28911), (1257, 16077), (2097, 9637), (3771, 5359)]