20972736

素因数分解:

$2^6\times 3^3\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 112

約数和(自身を含む): 63093600

約数和(自身を除く): 42120864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 144, 159, 192, 212, 216, 229, 288, 318, 424, 432, 458, 477, 576, 636, 687, 848, 864, 916, 954, 1272, 1374, 1431, 1696, 1728, 1832, 1908, 2061, 2544, 2748, 2862, 3392, 3664, 3816, 4122, 5088, 5496, 5724, 6183, 7328, 7632, 8244, 10176, 10992, 11448, 12137, 12366, 14656, 15264, 16488, 21984, 22896, 24274, 24732, 30528, 32976, 36411, 43968, 45792, 48548, 49464, 65952, 72822, 91584, 97096, 98928, 109233, 131904, 145644, 194192, 197856, 218466, 291288, 327699, 388384, 395712, 436932, 582576, 655398, 776768, 873864, 1165152, 1310796, 1747728, 2330304, 2621592, 3495456, 5243184, 6990912, 10486368, 20972736]

約数ペア:

[(1, 20972736), (2, 10486368), (3, 6990912), (4, 5243184), (6, 3495456), (8, 2621592), (9, 2330304), (12, 1747728), (16, 1310796), (18, 1165152), (24, 873864), (27, 776768), (32, 655398), (36, 582576), (48, 436932), (53, 395712), (54, 388384), (64, 327699), (72, 291288), (96, 218466), (106, 197856), (108, 194192), (144, 145644), (159, 131904), (192, 109233), (212, 98928), (216, 97096), (229, 91584), (288, 72822), (318, 65952), (424, 49464), (432, 48548), (458, 45792), (477, 43968), (576, 36411), (636, 32976), (687, 30528), (848, 24732), (864, 24274), (916, 22896), (954, 21984), (1272, 16488), (1374, 15264), (1431, 14656), (1696, 12366), (1728, 12137), (1832, 11448), (1908, 10992), (2061, 10176), (2544, 8244), (2748, 7632), (2862, 7328), (3392, 6183), (3664, 5724), (3816, 5496), (4122, 5088)]