20808637496

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{51577}}^1$

素因数の和:51696

約数の個数: 64

約数和(自身を含む): 42335222400

約数和(自身を除く): 21526584904

約数列:

[1, 2, 4, 8, 29, 37, 47, 58, 74, 94, 116, 148, 188, 232, 296, 376, 1073, 1363, 1739, 2146, 2726, 3478, 4292, 5452, 6956, 8584, 10904, 13912, 50431, 51577, 100862, 103154, 201724, 206308, 403448, 412616, 1495733, 1908349, 2424119, 2991466, 3816698, 4848238, 5982932, 7633396, 9696476, 11965864, 15266792, 19392952, 55342121, 70299451, 89692403, 110684242, 140598902, 179384806, 221368484, 281197804, 358769612, 442736968, 562395608, 717539224, 2601079687, 5202159374, 10404318748, 20808637496]

約数ペア:

[(1, 20808637496), (2, 10404318748), (4, 5202159374), (8, 2601079687), (29, 717539224), (37, 562395608), (47, 442736968), (58, 358769612), (74, 281197804), (94, 221368484), (116, 179384806), (148, 140598902), (188, 110684242), (232, 89692403), (296, 70299451), (376, 55342121), (1073, 19392952), (1363, 15266792), (1739, 11965864), (2146, 9696476), (2726, 7633396), (3478, 5982932), (4292, 4848238), (5452, 3816698), (6956, 2991466), (8584, 2424119), (10904, 1908349), (13912, 1495733), (50431, 412616), (51577, 403448), (100862, 206308), (103154, 201724)]