20844831

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 12701409

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 419, 483, 721, 1257, 2163, 2369, 2933, 7107, 8799, 9637, 16583, 28911, 43157, 49749, 67459, 129471, 202377, 302099, 906297, 992611, 2977833, 6948277, 20844831]

約数ペア:

[(1, 20844831), (3, 6948277), (7, 2977833), (21, 992611), (23, 906297), (69, 302099), (103, 202377), (161, 129471), (309, 67459), (419, 49749), (483, 43157), (721, 28911), (1257, 16583), (2163, 9637), (2369, 8799), (2933, 7107)]