20199167997

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1\times {\mathrm{823}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 27446556672

約数和(自身を除く): 7247388675

約数列:

[1, 3, 107, 157, 321, 471, 487, 823, 1461, 2469, 16799, 50397, 52109, 76459, 88061, 129211, 156327, 229377, 264183, 387633, 400801, 1202403, 8181113, 13825577, 24543339, 41476731, 42885707, 62925757, 128657121, 188777271, 6733055999, 20199167997]

約数ペア:

[(1, 20199167997), (3, 6733055999), (107, 188777271), (157, 128657121), (321, 62925757), (471, 42885707), (487, 41476731), (823, 24543339), (1461, 13825577), (2469, 8181113), (16799, 1202403), (50397, 400801), (52109, 387633), (76459, 264183), (88061, 229377), (129211, 156327)]