20577648

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:711

約数の個数: 120

約数和(自身を含む): 66693648

約数和(自身を除く): 46116000

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 673, 728, 784, 1092, 1176, 1274, 1346, 1456, 1911, 2019, 2184, 2352, 2548, 2692, 3822, 4038, 4368, 4711, 5096, 5384, 7644, 8076, 8749, 9422, 10192, 10768, 14133, 15288, 16152, 17498, 18844, 26247, 28266, 30576, 32304, 32977, 34996, 37688, 52494, 56532, 61243, 65954, 69992, 75376, 98931, 104988, 113064, 122486, 131908, 139984, 183729, 197862, 209976, 226128, 244972, 263816, 367458, 395724, 419952, 428701, 489944, 527632, 734916, 791448, 857402, 979888, 1286103, 1469832, 1582896, 1714804, 2572206, 2939664, 3429608, 5144412, 6859216, 10288824, 20577648]

約数ペア:

[(1, 20577648), (2, 10288824), (3, 6859216), (4, 5144412), (6, 3429608), (7, 2939664), (8, 2572206), (12, 1714804), (13, 1582896), (14, 1469832), (16, 1286103), (21, 979888), (24, 857402), (26, 791448), (28, 734916), (39, 527632), (42, 489944), (48, 428701), (49, 419952), (52, 395724), (56, 367458), (78, 263816), (84, 244972), (91, 226128), (98, 209976), (104, 197862), (112, 183729), (147, 139984), (156, 131908), (168, 122486), (182, 113064), (196, 104988), (208, 98931), (273, 75376), (294, 69992), (312, 65954), (336, 61243), (364, 56532), (392, 52494), (546, 37688), (588, 34996), (624, 32977), (637, 32304), (673, 30576), (728, 28266), (784, 26247), (1092, 18844), (1176, 17498), (1274, 16152), (1346, 15288), (1456, 14133), (1911, 10768), (2019, 10192), (2184, 9422), (2352, 8749), (2548, 8076), (2692, 7644), (3822, 5384), (4038, 5096), (4368, 4711)]