20370476

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2478

約数の個数: 36

約数和(自身を含む): 42450408

約数和(自身を除く): 22079932

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 2417, 4214, 4834, 8428, 9668, 16919, 33838, 67676, 103931, 118433, 207862, 236866, 415724, 473732, 727517, 1455034, 2910068, 5092619, 10185238, 20370476]

約数ペア:

[(1, 20370476), (2, 10185238), (4, 5092619), (7, 2910068), (14, 1455034), (28, 727517), (43, 473732), (49, 415724), (86, 236866), (98, 207862), (172, 118433), (196, 103931), (301, 67676), (602, 33838), (1204, 16919), (2107, 9668), (2417, 8428), (4214, 4834)]