20199442888

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{401867}}^1$

素因数の和:402037

約数の個数: 32

約数和(自身を含む): 38868672960

約数和(自身を除く): 18669230072

約数列:

[1, 2, 4, 8, 61, 103, 122, 206, 244, 412, 488, 824, 6283, 12566, 25132, 50264, 401867, 803734, 1607468, 3214936, 24513887, 41392301, 49027774, 82784602, 98055548, 165569204, 196111096, 331138408, 2524930361, 5049860722, 10099721444, 20199442888]

約数ペア:

[(1, 20199442888), (2, 10099721444), (4, 5049860722), (8, 2524930361), (61, 331138408), (103, 196111096), (122, 165569204), (206, 98055548), (244, 82784602), (412, 49027774), (488, 41392301), (824, 24513887), (6283, 3214936), (12566, 1607468), (25132, 803734), (50264, 401867)]