20154798

素因数分解:

$2^1\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1487}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24842322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 251, 502, 753, 1487, 1506, 2259, 2974, 4461, 4518, 6777, 8922, 13383, 13554, 26766, 40149, 80298, 373237, 746474, 1119711, 2239422, 3359133, 6718266, 10077399, 20154798]

約数ペア:

[(1, 20154798), (2, 10077399), (3, 6718266), (6, 3359133), (9, 2239422), (18, 1119711), (27, 746474), (54, 373237), (251, 80298), (502, 40149), (753, 26766), (1487, 13554), (1506, 13383), (2259, 8922), (2974, 6777), (4461, 4518)]