20398833

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24907}}^1$

素因数の和:24933

約数の個数: 24

約数和(自身を含む): 36266048

約数和(自身を除く): 15867215

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24907, 74721, 174349, 224163, 323791, 523047, 971373, 1569141, 2266537, 2914119, 6799611, 20398833]

約数ペア:

[(1, 20398833), (3, 6799611), (7, 2914119), (9, 2266537), (13, 1569141), (21, 971373), (39, 523047), (63, 323791), (91, 224163), (117, 174349), (273, 74721), (819, 24907)]