20498634

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5153}}^1$

素因数の和:5191

約数の個数: 48

約数和(自身を含む): 50653512

約数和(自身を除く): 30154878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5153, 10306, 15459, 30918, 46377, 66989, 87601, 92754, 133978, 175202, 200967, 262803, 401934, 525606, 602901, 788409, 1138813, 1205802, 1576818, 2277626, 3416439, 6832878, 10249317, 20498634]

約数ペア:

[(1, 20498634), (2, 10249317), (3, 6832878), (6, 3416439), (9, 2277626), (13, 1576818), (17, 1205802), (18, 1138813), (26, 788409), (34, 602901), (39, 525606), (51, 401934), (78, 262803), (102, 200967), (117, 175202), (153, 133978), (221, 92754), (234, 87601), (306, 66989), (442, 46377), (663, 30918), (1326, 15459), (1989, 10306), (3978, 5153)]