20752088

素因数分解:

$2^3\times 7^2\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 45677520

約数和(自身を除く): 24925432

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 167, 196, 317, 334, 392, 634, 668, 1169, 1268, 1336, 2219, 2338, 2536, 4438, 4676, 8183, 8876, 9352, 15533, 16366, 17752, 31066, 32732, 52939, 62132, 65464, 105878, 124264, 211756, 370573, 423512, 741146, 1482292, 2594011, 2964584, 5188022, 10376044, 20752088]

約数ペア:

[(1, 20752088), (2, 10376044), (4, 5188022), (7, 2964584), (8, 2594011), (14, 1482292), (28, 741146), (49, 423512), (56, 370573), (98, 211756), (167, 124264), (196, 105878), (317, 65464), (334, 62132), (392, 52939), (634, 32732), (668, 31066), (1169, 17752), (1268, 16366), (1336, 15533), (2219, 9352), (2338, 8876), (2536, 8183), (4438, 4676)]