20099691927

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13871423}}^1$

素因数の和:13871459

約数の個数: 24

約数和(自身を含む): 34623074304

約数和(自身を除く): 14523382377

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13871423, 41614269, 97099961, 124842807, 291299883, 319042729, 873899649, 957128187, 2233299103, 2871384561, 6699897309, 20099691927]

約数ペア:

[(1, 20099691927), (3, 6699897309), (7, 2871384561), (9, 2233299103), (21, 957128187), (23, 873899649), (63, 319042729), (69, 291299883), (161, 124842807), (207, 97099961), (483, 41614269), (1449, 13871423)]