20401248

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4337}}^1$

素因数の和:4364

約数の個数: 72

約数和(自身を含む): 62311032

約数和(自身を除く): 41909784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4337, 4704, 8674, 13011, 17348, 26022, 30359, 34696, 52044, 60718, 69392, 91077, 104088, 121436, 138784, 182154, 208176, 212513, 242872, 364308, 416352, 425026, 485744, 637539, 728616, 850052, 971488, 1275078, 1457232, 1700104, 2550156, 2914464, 3400208, 5100312, 6800416, 10200624, 20401248]

約数ペア:

[(1, 20401248), (2, 10200624), (3, 6800416), (4, 5100312), (6, 3400208), (7, 2914464), (8, 2550156), (12, 1700104), (14, 1457232), (16, 1275078), (21, 971488), (24, 850052), (28, 728616), (32, 637539), (42, 485744), (48, 425026), (49, 416352), (56, 364308), (84, 242872), (96, 212513), (98, 208176), (112, 182154), (147, 138784), (168, 121436), (196, 104088), (224, 91077), (294, 69392), (336, 60718), (392, 52044), (588, 34696), (672, 30359), (784, 26022), (1176, 17348), (1568, 13011), (2352, 8674), (4337, 4704)]