20819904

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{2213}}^1$

素因数の和:2242

約数の個数: 84

約数和(自身を含む): 64108584

約数和(自身を除く): 43288680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 336, 392, 448, 588, 672, 784, 1176, 1344, 1568, 2213, 2352, 3136, 4426, 4704, 6639, 8852, 9408, 13278, 15491, 17704, 26556, 30982, 35408, 46473, 53112, 61964, 70816, 92946, 106224, 108437, 123928, 141632, 185892, 212448, 216874, 247856, 325311, 371784, 424896, 433748, 495712, 650622, 743568, 867496, 991424, 1301244, 1487136, 1734992, 2602488, 2974272, 3469984, 5204976, 6939968, 10409952, 20819904]

約数ペア:

[(1, 20819904), (2, 10409952), (3, 6939968), (4, 5204976), (6, 3469984), (7, 2974272), (8, 2602488), (12, 1734992), (14, 1487136), (16, 1301244), (21, 991424), (24, 867496), (28, 743568), (32, 650622), (42, 495712), (48, 433748), (49, 424896), (56, 371784), (64, 325311), (84, 247856), (96, 216874), (98, 212448), (112, 185892), (147, 141632), (168, 123928), (192, 108437), (196, 106224), (224, 92946), (294, 70816), (336, 61964), (392, 53112), (448, 46473), (588, 35408), (672, 30982), (784, 26556), (1176, 17704), (1344, 15491), (1568, 13278), (2213, 9408), (2352, 8852), (3136, 6639), (4426, 4704)]