20165759992

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{68111}}^1$

素因数の和:68452

約数の個数: 64

約数和(自身を含む): 45902039040

約数和(自身を除く): 25736279048

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 311, 476, 622, 952, 1244, 2177, 2488, 4354, 5287, 8708, 10574, 17416, 21148, 37009, 42296, 68111, 74018, 136222, 148036, 272444, 296072, 476777, 544888, 953554, 1157887, 1907108, 2315774, 3814216, 4631548, 8105209, 9263096, 16210418, 21182521, 32420836, 42365042, 64841672, 84730084, 148277647, 169460168, 296555294, 360102857, 593110588, 720205714, 1186221176, 1440411428, 2520719999, 2880822856, 5041439998, 10082879996, 20165759992]

約数ペア:

[(1, 20165759992), (2, 10082879996), (4, 5041439998), (7, 2880822856), (8, 2520719999), (14, 1440411428), (17, 1186221176), (28, 720205714), (34, 593110588), (56, 360102857), (68, 296555294), (119, 169460168), (136, 148277647), (238, 84730084), (311, 64841672), (476, 42365042), (622, 32420836), (952, 21182521), (1244, 16210418), (2177, 9263096), (2488, 8105209), (4354, 4631548), (5287, 3814216), (8708, 2315774), (10574, 1907108), (17416, 1157887), (21148, 953554), (37009, 544888), (42296, 476777), (68111, 296072), (74018, 272444), (136222, 148036)]