20696032

素因数分解:

$2^5\times 7^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 48349224

約数和(自身を除く): 27653192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 67, 98, 112, 134, 196, 197, 224, 268, 392, 394, 469, 536, 784, 788, 938, 1072, 1379, 1568, 1576, 1876, 2144, 2758, 3152, 3283, 3752, 5516, 6304, 6566, 7504, 9653, 11032, 13132, 13199, 15008, 19306, 22064, 26264, 26398, 38612, 44128, 52528, 52796, 77224, 92393, 105056, 105592, 154448, 184786, 211184, 308896, 369572, 422368, 646751, 739144, 1293502, 1478288, 2587004, 2956576, 5174008, 10348016, 20696032]

約数ペア:

[(1, 20696032), (2, 10348016), (4, 5174008), (7, 2956576), (8, 2587004), (14, 1478288), (16, 1293502), (28, 739144), (32, 646751), (49, 422368), (56, 369572), (67, 308896), (98, 211184), (112, 184786), (134, 154448), (196, 105592), (197, 105056), (224, 92393), (268, 77224), (392, 52796), (394, 52528), (469, 44128), (536, 38612), (784, 26398), (788, 26264), (938, 22064), (1072, 19306), (1379, 15008), (1568, 13199), (1576, 13132), (1876, 11032), (2144, 9653), (2758, 7504), (3152, 6566), (3283, 6304), (3752, 5516)]