20663672

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 19616008

約数列:

[1, 2, 4, 8, 41, 73, 82, 146, 164, 292, 328, 584, 863, 1726, 2993, 3452, 5986, 6904, 11972, 23944, 35383, 62999, 70766, 125998, 141532, 251996, 283064, 503992, 2582959, 5165918, 10331836, 20663672]

約数ペア:

[(1, 20663672), (2, 10331836), (4, 5165918), (8, 2582959), (41, 503992), (73, 283064), (82, 251996), (146, 141532), (164, 125998), (292, 70766), (328, 62999), (584, 35383), (863, 23944), (1726, 11972), (2993, 6904), (3452, 5986)]