20725047

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14303}}^1$

素因数の和:14339

約数の個数: 24

約数和(自身を含む): 35702784

約数和(自身を除く): 14977737

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14303, 42909, 100121, 128727, 300363, 328969, 901089, 986907, 2302783, 2960721, 6908349, 20725047]

約数ペア:

[(1, 20725047), (3, 6908349), (7, 2960721), (9, 2302783), (21, 986907), (23, 901089), (63, 328969), (69, 300363), (161, 128727), (207, 100121), (483, 42909), (1449, 14303)]