20686881024

素因数分解:

$2^8\times 3^2\times {\mathrm{199}}^1\times {\mathrm{45119}}^1$

素因数の和:45340

約数の個数: 108

約数和(自身を含む): 59946432000

約数和(自身を除く): 39259550976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 199, 256, 288, 384, 398, 576, 597, 768, 796, 1152, 1194, 1592, 1791, 2304, 2388, 3184, 3582, 4776, 6368, 7164, 9552, 12736, 14328, 19104, 25472, 28656, 38208, 45119, 50944, 57312, 76416, 90238, 114624, 135357, 152832, 180476, 229248, 270714, 360952, 406071, 458496, 541428, 721904, 812142, 1082856, 1443808, 1624284, 2165712, 2887616, 3248568, 4331424, 5775232, 6497136, 8662848, 8978681, 11550464, 12994272, 17325696, 17957362, 25988544, 26936043, 34651392, 35914724, 51977088, 53872086, 71829448, 80808129, 103954176, 107744172, 143658896, 161616258, 215488344, 287317792, 323232516, 430976688, 574635584, 646465032, 861953376, 1149271168, 1292930064, 1723906752, 2298542336, 2585860128, 3447813504, 5171720256, 6895627008, 10343440512, 20686881024]

約数ペア:

[(1, 20686881024), (2, 10343440512), (3, 6895627008), (4, 5171720256), (6, 3447813504), (8, 2585860128), (9, 2298542336), (12, 1723906752), (16, 1292930064), (18, 1149271168), (24, 861953376), (32, 646465032), (36, 574635584), (48, 430976688), (64, 323232516), (72, 287317792), (96, 215488344), (128, 161616258), (144, 143658896), (192, 107744172), (199, 103954176), (256, 80808129), (288, 71829448), (384, 53872086), (398, 51977088), (576, 35914724), (597, 34651392), (768, 26936043), (796, 25988544), (1152, 17957362), (1194, 17325696), (1592, 12994272), (1791, 11550464), (2304, 8978681), (2388, 8662848), (3184, 6497136), (3582, 5775232), (4776, 4331424), (6368, 3248568), (7164, 2887616), (9552, 2165712), (12736, 1624284), (14328, 1443808), (19104, 1082856), (25472, 812142), (28656, 721904), (38208, 541428), (45119, 458496), (50944, 406071), (57312, 360952), (76416, 270714), (90238, 229248), (114624, 180476), (135357, 152832)]