20129312

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 45948672

約数和(自身を除く): 25819360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 1231, 2044, 2336, 2462, 4088, 4924, 8176, 8617, 9848, 16352, 17234, 19696, 34468, 39392, 68936, 89863, 137872, 179726, 275744, 359452, 629041, 718904, 1258082, 1437808, 2516164, 2875616, 5032328, 10064656, 20129312]

約数ペア:

[(1, 20129312), (2, 10064656), (4, 5032328), (7, 2875616), (8, 2516164), (14, 1437808), (16, 1258082), (28, 718904), (32, 629041), (56, 359452), (73, 275744), (112, 179726), (146, 137872), (224, 89863), (292, 68936), (511, 39392), (584, 34468), (1022, 19696), (1168, 17234), (1231, 16352), (2044, 9848), (2336, 8617), (2462, 8176), (4088, 4924)]