20160556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 39682944

約数和(自身を除く): 19522388

約数列:

[1, 2, 4, 13, 26, 47, 52, 73, 94, 113, 146, 188, 226, 292, 452, 611, 949, 1222, 1469, 1898, 2444, 2938, 3431, 3796, 5311, 5876, 6862, 8249, 10622, 13724, 16498, 21244, 32996, 44603, 69043, 89206, 107237, 138086, 178412, 214474, 276172, 387703, 428948, 775406, 1550812, 5040139, 10080278, 20160556]

約数ペア:

[(1, 20160556), (2, 10080278), (4, 5040139), (13, 1550812), (26, 775406), (47, 428948), (52, 387703), (73, 276172), (94, 214474), (113, 178412), (146, 138086), (188, 107237), (226, 89206), (292, 69043), (452, 44603), (611, 32996), (949, 21244), (1222, 16498), (1469, 13724), (1898, 10622), (2444, 8249), (2938, 6862), (3431, 5876), (3796, 5311)]