20489292

素因数分解:

$2^2\times 3^2\times {\mathrm{601}}^1\times {\mathrm{947}}^1$

素因数の和:1558

約数の個数: 36

約数和(自身を含む): 51933336

約数和(自身を除く): 31444044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 601, 947, 1202, 1803, 1894, 2404, 2841, 3606, 3788, 5409, 5682, 7212, 8523, 10818, 11364, 17046, 21636, 34092, 569147, 1138294, 1707441, 2276588, 3414882, 5122323, 6829764, 10244646, 20489292]

約数ペア:

[(1, 20489292), (2, 10244646), (3, 6829764), (4, 5122323), (6, 3414882), (9, 2276588), (12, 1707441), (18, 1138294), (36, 569147), (601, 34092), (947, 21636), (1202, 17046), (1803, 11364), (1894, 10818), (2404, 8523), (2841, 7212), (3606, 5682), (3788, 5409)]