20995340758

素因数分解:

$2^1\times 7^3\times {\mathrm{277}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 37081641600

約数和(自身を除く): 16086300842

約数列:

[1, 2, 7, 14, 49, 98, 277, 313, 343, 353, 554, 626, 686, 706, 1939, 2191, 2471, 3878, 4382, 4942, 13573, 15337, 17297, 27146, 30674, 34594, 86701, 95011, 97781, 107359, 110489, 121079, 173402, 190022, 195562, 214718, 220978, 242158, 606907, 684467, 773423, 1213814, 1368934, 1546846, 4248349, 4791269, 5413961, 8496698, 9582538, 10827922, 29738443, 30605453, 33538883, 37897727, 59476886, 61210906, 67077766, 75795454, 214238171, 428476342, 1499667197, 2999334394, 10497670379, 20995340758]

約数ペア:

[(1, 20995340758), (2, 10497670379), (7, 2999334394), (14, 1499667197), (49, 428476342), (98, 214238171), (277, 75795454), (313, 67077766), (343, 61210906), (353, 59476886), (554, 37897727), (626, 33538883), (686, 30605453), (706, 29738443), (1939, 10827922), (2191, 9582538), (2471, 8496698), (3878, 5413961), (4382, 4791269), (4942, 4248349), (13573, 1546846), (15337, 1368934), (17297, 1213814), (27146, 773423), (30674, 684467), (34594, 606907), (86701, 242158), (95011, 220978), (97781, 214718), (107359, 195562), (110489, 190022), (121079, 173402)]