20868173208

素因数分解:

$2^3\times 3^6\times {\mathrm{199}}^1\times {\mathrm{17981}}^1$

素因数の和:18204

約数の個数: 112

約数和(自身を含む): 58962978000

約数和(自身を除く): 38094804792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 199, 216, 243, 324, 398, 486, 597, 648, 729, 796, 972, 1194, 1458, 1592, 1791, 1944, 2388, 2916, 3582, 4776, 5373, 5832, 7164, 10746, 14328, 16119, 17981, 21492, 32238, 35962, 42984, 48357, 53943, 64476, 71924, 96714, 107886, 128952, 143848, 145071, 161829, 193428, 215772, 290142, 323658, 386856, 431544, 485487, 580284, 647316, 970974, 1160568, 1294632, 1456461, 1941948, 2912922, 3578219, 3883896, 4369383, 5825844, 7156438, 8738766, 10734657, 11651688, 13108149, 14312876, 17477532, 21469314, 26216298, 28625752, 32203971, 34955064, 42938628, 52432596, 64407942, 85877256, 96611913, 104865192, 128815884, 193223826, 257631768, 289835739, 386447652, 579671478, 772895304, 869507217, 1159342956, 1739014434, 2318685912, 2608521651, 3478028868, 5217043302, 6956057736, 10434086604, 20868173208]

約数ペア:

[(1, 20868173208), (2, 10434086604), (3, 6956057736), (4, 5217043302), (6, 3478028868), (8, 2608521651), (9, 2318685912), (12, 1739014434), (18, 1159342956), (24, 869507217), (27, 772895304), (36, 579671478), (54, 386447652), (72, 289835739), (81, 257631768), (108, 193223826), (162, 128815884), (199, 104865192), (216, 96611913), (243, 85877256), (324, 64407942), (398, 52432596), (486, 42938628), (597, 34955064), (648, 32203971), (729, 28625752), (796, 26216298), (972, 21469314), (1194, 17477532), (1458, 14312876), (1592, 13108149), (1791, 11651688), (1944, 10734657), (2388, 8738766), (2916, 7156438), (3582, 5825844), (4776, 4369383), (5373, 3883896), (5832, 3578219), (7164, 2912922), (10746, 1941948), (14328, 1456461), (16119, 1294632), (17981, 1160568), (21492, 970974), (32238, 647316), (35962, 580284), (42984, 485487), (48357, 431544), (53943, 386856), (64476, 323658), (71924, 290142), (96714, 215772), (107886, 193428), (128952, 161829), (143848, 145071)]