20199108784

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{455263}}^1$

素因数の和:455377

約数の個数: 40

約数和(自身を含む): 40645969920

約数和(自身を除く): 20446861136

約数列:

[1, 2, 4, 8, 16, 47, 59, 94, 118, 188, 236, 376, 472, 752, 944, 2773, 5546, 11092, 22184, 44368, 455263, 910526, 1821052, 3642104, 7284208, 21397361, 26860517, 42794722, 53721034, 85589444, 107442068, 171178888, 214884136, 342357776, 429768272, 1262444299, 2524888598, 5049777196, 10099554392, 20199108784]

約数ペア:

[(1, 20199108784), (2, 10099554392), (4, 5049777196), (8, 2524888598), (16, 1262444299), (47, 429768272), (59, 342357776), (94, 214884136), (118, 171178888), (188, 107442068), (236, 85589444), (376, 53721034), (472, 42794722), (752, 26860517), (944, 21397361), (2773, 7284208), (5546, 3642104), (11092, 1821052), (22184, 910526), (44368, 455263)]