20154489588

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{115361}}^1$

素因数の和:115605

約数の個数: 72

約数和(自身を含む): 53413528896

約数和(自身を除く): 33259039308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 211, 276, 414, 422, 633, 828, 844, 1266, 1899, 2532, 3798, 4853, 7596, 9706, 14559, 19412, 29118, 43677, 58236, 87354, 115361, 174708, 230722, 346083, 461444, 692166, 1038249, 1384332, 2076498, 2653303, 4152996, 5306606, 7959909, 10613212, 15919818, 23879727, 24341171, 31839636, 47759454, 48682342, 73023513, 95518908, 97364684, 146047026, 219070539, 292094052, 438141078, 559846933, 876282156, 1119693866, 1679540799, 2239387732, 3359081598, 5038622397, 6718163196, 10077244794, 20154489588]

約数ペア:

[(1, 20154489588), (2, 10077244794), (3, 6718163196), (4, 5038622397), (6, 3359081598), (9, 2239387732), (12, 1679540799), (18, 1119693866), (23, 876282156), (36, 559846933), (46, 438141078), (69, 292094052), (92, 219070539), (138, 146047026), (207, 97364684), (211, 95518908), (276, 73023513), (414, 48682342), (422, 47759454), (633, 31839636), (828, 24341171), (844, 23879727), (1266, 15919818), (1899, 10613212), (2532, 7959909), (3798, 5306606), (4853, 4152996), (7596, 2653303), (9706, 2076498), (14559, 1384332), (19412, 1038249), (29118, 692166), (43677, 461444), (58236, 346083), (87354, 230722), (115361, 174708)]