20150812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8641}}^1$

素因数の和:8709

約数の個数: 24

約数和(自身を含む): 39200112

約数和(自身を除く): 19049300

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8641, 17282, 34564, 95051, 190102, 380204, 457973, 915946, 1831892, 5037703, 10075406, 20150812]

約数ペア:

[(1, 20150812), (2, 10075406), (4, 5037703), (11, 1831892), (22, 915946), (44, 457973), (53, 380204), (106, 190102), (212, 95051), (583, 34564), (1166, 17282), (2332, 8641)]