20081769862

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{43627}}^1$

素因数の和:43722

約数の個数: 64

約数和(自身を含む): 38951078400

約数和(自身を除く): 18869308538

約数列:

[1, 2, 7, 11, 14, 22, 49, 61, 77, 98, 122, 154, 343, 427, 539, 671, 686, 854, 1078, 1342, 2989, 3773, 4697, 5978, 7546, 9394, 20923, 32879, 41846, 43627, 65758, 87254, 230153, 305389, 460306, 479897, 610778, 959794, 2137723, 2661247, 3359279, 4275446, 5322494, 6718558, 14964061, 18628729, 23514953, 29273717, 29928122, 37257458, 47029906, 58547434, 130401103, 164604671, 204916019, 260802206, 329209342, 409832038, 912807721, 1434412133, 1825615442, 2868824266, 10040884931, 20081769862]

約数ペア:

[(1, 20081769862), (2, 10040884931), (7, 2868824266), (11, 1825615442), (14, 1434412133), (22, 912807721), (49, 409832038), (61, 329209342), (77, 260802206), (98, 204916019), (122, 164604671), (154, 130401103), (343, 58547434), (427, 47029906), (539, 37257458), (671, 29928122), (686, 29273717), (854, 23514953), (1078, 18628729), (1342, 14964061), (2989, 6718558), (3773, 5322494), (4697, 4275446), (5978, 3359279), (7546, 2661247), (9394, 2137723), (20923, 959794), (32879, 610778), (41846, 479897), (43627, 460306), (65758, 305389), (87254, 230153)]