205424884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20323}}^1$

素因数の和:20372

約数の個数: 36

約数和(自身を含む): 433632864

約数和(自身を除く): 228207980

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 20323, 40646, 81292, 142261, 284522, 386137, 569044, 772274, 1544548, 2702959, 5405918, 7336603, 10811836, 14673206, 29346412, 51356221, 102712442, 205424884]

約数ペア:

[(1, 205424884), (2, 102712442), (4, 51356221), (7, 29346412), (14, 14673206), (19, 10811836), (28, 7336603), (38, 5405918), (76, 2702959), (133, 1544548), (266, 772274), (361, 569044), (532, 386137), (722, 284522), (1444, 142261), (2527, 81292), (5054, 40646), (10108, 20323)]