20054424

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 40425576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 199, 204, 221, 228, 247, 312, 323, 398, 408, 442, 456, 494, 597, 646, 663, 741, 796, 884, 969, 988, 1194, 1292, 1326, 1482, 1592, 1768, 1938, 1976, 2388, 2584, 2587, 2652, 2964, 3383, 3781, 3876, 4199, 4776, 5174, 5304, 5928, 6766, 7562, 7752, 7761, 8398, 10149, 10348, 11343, 12597, 13532, 15124, 15522, 16796, 20298, 20696, 22686, 25194, 27064, 30248, 31044, 33592, 40596, 43979, 45372, 49153, 50388, 62088, 64277, 81192, 87958, 90744, 98306, 100776, 128554, 131937, 147459, 175916, 192831, 196612, 257108, 263874, 294918, 351832, 385662, 393224, 514216, 527748, 589836, 771324, 835601, 1055496, 1179672, 1542648, 1671202, 2506803, 3342404, 5013606, 6684808, 10027212, 20054424]

約数ペア:

[(1, 20054424), (2, 10027212), (3, 6684808), (4, 5013606), (6, 3342404), (8, 2506803), (12, 1671202), (13, 1542648), (17, 1179672), (19, 1055496), (24, 835601), (26, 771324), (34, 589836), (38, 527748), (39, 514216), (51, 393224), (52, 385662), (57, 351832), (68, 294918), (76, 263874), (78, 257108), (102, 196612), (104, 192831), (114, 175916), (136, 147459), (152, 131937), (156, 128554), (199, 100776), (204, 98306), (221, 90744), (228, 87958), (247, 81192), (312, 64277), (323, 62088), (398, 50388), (408, 49153), (442, 45372), (456, 43979), (494, 40596), (597, 33592), (646, 31044), (663, 30248), (741, 27064), (796, 25194), (884, 22686), (969, 20696), (988, 20298), (1194, 16796), (1292, 15522), (1326, 15124), (1482, 13532), (1592, 12597), (1768, 11343), (1938, 10348), (1976, 10149), (2388, 8398), (2584, 7761), (2587, 7752), (2652, 7562), (2964, 6766), (3383, 5928), (3781, 5304), (3876, 5174), (4199, 4776)]