20002353

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 33048576

約数和(自身を除く): 13046223

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 1303, 2193, 3909, 5117, 9121, 15351, 22151, 27363, 56029, 66453, 155057, 168087, 392203, 465171, 952493, 1176609, 2857479, 6667451, 20002353]

約数ペア:

[(1, 20002353), (3, 6667451), (7, 2857479), (17, 1176609), (21, 952493), (43, 465171), (51, 392203), (119, 168087), (129, 155057), (301, 66453), (357, 56029), (731, 27363), (903, 22151), (1303, 15351), (2193, 9121), (3909, 5117)]