20498302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 37033200

約数和(自身を除く): 16534898

約数列:

[1, 2, 11, 19, 22, 29, 38, 58, 89, 178, 209, 319, 361, 418, 551, 638, 722, 979, 1102, 1691, 1958, 2581, 3382, 3971, 5162, 6061, 7942, 10469, 12122, 18601, 20938, 28391, 32129, 37202, 49039, 56782, 64258, 98078, 115159, 230318, 353419, 539429, 706838, 931741, 1078858, 1863482, 10249151, 20498302]

約数ペア:

[(1, 20498302), (2, 10249151), (11, 1863482), (19, 1078858), (22, 931741), (29, 706838), (38, 539429), (58, 353419), (89, 230318), (178, 115159), (209, 98078), (319, 64258), (361, 56782), (418, 49039), (551, 37202), (638, 32129), (722, 28391), (979, 20938), (1102, 18601), (1691, 12122), (1958, 10469), (2581, 7942), (3382, 6061), (3971, 5162)]