20197674

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{1979}}^1$

素因数の和:2006

約数の個数: 56

約数和(自身を含む): 51939360

約数和(自身を除く): 31741686

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 1979, 3402, 3958, 5103, 5937, 10206, 11874, 13853, 17811, 27706, 35622, 41559, 53433, 83118, 106866, 124677, 160299, 249354, 320598, 374031, 480897, 748062, 961794, 1122093, 1442691, 2244186, 2885382, 3366279, 6732558, 10098837, 20197674]

約数ペア:

[(1, 20197674), (2, 10098837), (3, 6732558), (6, 3366279), (7, 2885382), (9, 2244186), (14, 1442691), (18, 1122093), (21, 961794), (27, 748062), (42, 480897), (54, 374031), (63, 320598), (81, 249354), (126, 160299), (162, 124677), (189, 106866), (243, 83118), (378, 53433), (486, 41559), (567, 35622), (729, 27706), (1134, 17811), (1458, 13853), (1701, 11874), (1979, 10206), (3402, 5937), (3958, 5103)]