20703382

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^3\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 39275280

約数和(自身を除く): 18571898

約数列:

[1, 2, 7, 14, 17, 34, 43, 49, 86, 98, 119, 238, 289, 301, 578, 602, 731, 833, 1462, 1666, 2023, 2107, 4046, 4214, 4913, 5117, 9826, 10234, 12427, 14161, 24854, 28322, 34391, 35819, 68782, 71638, 86989, 173978, 211259, 240737, 422518, 481474, 608923, 1217846, 1478813, 2957626, 10351691, 20703382]

約数ペア:

[(1, 20703382), (2, 10351691), (7, 2957626), (14, 1478813), (17, 1217846), (34, 608923), (43, 481474), (49, 422518), (86, 240737), (98, 211259), (119, 173978), (238, 86989), (289, 71638), (301, 68782), (578, 35819), (602, 34391), (731, 28322), (833, 24854), (1462, 14161), (1666, 12427), (2023, 10234), (2107, 9826), (4046, 5117), (4214, 4913)]