20481312

素因数分解:

$2^5\times 3^1\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 54093312

約数和(自身を除く): 33612000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 191, 382, 573, 764, 1117, 1146, 1528, 2234, 2292, 3056, 3351, 4468, 4584, 6112, 6702, 8936, 9168, 13404, 17872, 18336, 26808, 35744, 53616, 107232, 213347, 426694, 640041, 853388, 1280082, 1706776, 2560164, 3413552, 5120328, 6827104, 10240656, 20481312]

約数ペア:

[(1, 20481312), (2, 10240656), (3, 6827104), (4, 5120328), (6, 3413552), (8, 2560164), (12, 1706776), (16, 1280082), (24, 853388), (32, 640041), (48, 426694), (96, 213347), (191, 107232), (382, 53616), (573, 35744), (764, 26808), (1117, 18336), (1146, 17872), (1528, 13404), (2234, 9168), (2292, 8936), (3056, 6702), (3351, 6112), (4468, 4584)]