20199008575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{274723}}^1$

素因数の和:274923

約数の個数: 24

約数和(自身を含む): 26673502608

約数和(自身を除く): 6474494033

約数列:

[1, 5, 17, 25, 85, 173, 425, 865, 2941, 4325, 14705, 73525, 274723, 1373615, 4670291, 6868075, 23351455, 47527079, 116757275, 237635395, 807960343, 1188176975, 4039801715, 20199008575]

約数ペア:

[(1, 20199008575), (5, 4039801715), (17, 1188176975), (25, 807960343), (85, 237635395), (173, 116757275), (425, 47527079), (865, 23351455), (2941, 6868075), (4325, 4670291), (14705, 1373615), (73525, 274723)]