20173451165

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{3323}}^1$

素因数の和:3762

約数の個数: 48

約数和(自身を含む): 28647561600

約数和(自身を除く): 8474110435

約数列:

[1, 5, 7, 35, 49, 71, 245, 349, 355, 497, 1745, 2443, 2485, 3323, 3479, 12215, 16615, 17101, 17395, 23261, 24779, 85505, 116305, 123895, 162827, 173453, 235933, 814135, 867265, 1159727, 1179665, 1214171, 1651531, 5798635, 6070855, 8118089, 8257655, 11560717, 40590445, 56826623, 57803585, 82340617, 284133115, 411703085, 576384319, 2881921595, 4034690233, 20173451165]

約数ペア:

[(1, 20173451165), (5, 4034690233), (7, 2881921595), (35, 576384319), (49, 411703085), (71, 284133115), (245, 82340617), (349, 57803585), (355, 56826623), (497, 40590445), (1745, 11560717), (2443, 8257655), (2485, 8118089), (3323, 6070855), (3479, 5798635), (12215, 1651531), (16615, 1214171), (17101, 1179665), (17395, 1159727), (23261, 867265), (24779, 814135), (85505, 235933), (116305, 173453), (123895, 162827)]