20122490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18461}}^1$

素因数の和:18577

約数の個数: 16

約数和(自身を含む): 36554760

約数和(自身を除く): 16432270

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18461, 36922, 92305, 184610, 2012249, 4024498, 10061245, 20122490]

約数ペア:

[(1, 20122490), (2, 10061245), (5, 4024498), (10, 2012249), (109, 184610), (218, 92305), (545, 36922), (1090, 18461)]