20199291955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1\times {\mathrm{1787}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 25477369344

約数和(自身を除く): 5278077389

約数列:

[1, 5, 23, 115, 227, 433, 1135, 1787, 2165, 5221, 8935, 9959, 26105, 41101, 49795, 98291, 205505, 405649, 491455, 773771, 2028245, 2260693, 3868855, 9329927, 11303465, 17796733, 46649635, 88983665, 175646017, 878230085, 4039858391, 20199291955]

約数ペア:

[(1, 20199291955), (5, 4039858391), (23, 878230085), (115, 175646017), (227, 88983665), (433, 46649635), (1135, 17796733), (1787, 11303465), (2165, 9329927), (5221, 3868855), (8935, 2260693), (9959, 2028245), (26105, 773771), (41101, 491455), (49795, 405649), (98291, 205505)]