20856624

素因数分解:

$2^4\times 3^1\times {\mathrm{389}}^1\times {\mathrm{1117}}^1$

素因数の和:1517

約数の個数: 40

約数和(自身を含む): 54066480

約数和(自身を除く): 33209856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 389, 778, 1117, 1167, 1556, 2234, 2334, 3112, 3351, 4468, 4668, 6224, 6702, 8936, 9336, 13404, 17872, 18672, 26808, 53616, 434513, 869026, 1303539, 1738052, 2607078, 3476104, 5214156, 6952208, 10428312, 20856624]

約数ペア:

[(1, 20856624), (2, 10428312), (3, 6952208), (4, 5214156), (6, 3476104), (8, 2607078), (12, 1738052), (16, 1303539), (24, 869026), (48, 434513), (389, 53616), (778, 26808), (1117, 18672), (1167, 17872), (1556, 13404), (2234, 9336), (2334, 8936), (3112, 6702), (3351, 6224), (4468, 4668)]