20647116

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:932

約数の個数: 96

約数和(自身を含む): 63221760

約数和(自身を除く): 42574644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 84, 93, 108, 124, 126, 186, 189, 217, 252, 279, 372, 378, 434, 558, 651, 756, 837, 868, 881, 1116, 1302, 1674, 1762, 1953, 2604, 2643, 3348, 3524, 3906, 5286, 5859, 6167, 7812, 7929, 10572, 11718, 12334, 15858, 18501, 23436, 23787, 24668, 27311, 31716, 37002, 47574, 54622, 55503, 74004, 81933, 95148, 109244, 111006, 163866, 166509, 191177, 222012, 245799, 327732, 333018, 382354, 491598, 573531, 666036, 737397, 764708, 983196, 1147062, 1474794, 1720593, 2294124, 2949588, 3441186, 5161779, 6882372, 10323558, 20647116]

約数ペア:

[(1, 20647116), (2, 10323558), (3, 6882372), (4, 5161779), (6, 3441186), (7, 2949588), (9, 2294124), (12, 1720593), (14, 1474794), (18, 1147062), (21, 983196), (27, 764708), (28, 737397), (31, 666036), (36, 573531), (42, 491598), (54, 382354), (62, 333018), (63, 327732), (84, 245799), (93, 222012), (108, 191177), (124, 166509), (126, 163866), (186, 111006), (189, 109244), (217, 95148), (252, 81933), (279, 74004), (372, 55503), (378, 54622), (434, 47574), (558, 37002), (651, 31716), (756, 27311), (837, 24668), (868, 23787), (881, 23436), (1116, 18501), (1302, 15858), (1674, 12334), (1762, 11718), (1953, 10572), (2604, 7929), (2643, 7812), (3348, 6167), (3524, 5859), (3906, 5286)]