20171310201

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{515587}}^1$

素因数の和:515632

約数の個数: 48

約数和(自身を含む): 36033414144

約数和(自身を除く): 15862103943

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 1449, 1701, 1863, 4347, 5589, 13041, 39123, 515587, 1546761, 3609109, 4640283, 10827327, 11858501, 13920849, 32481981, 35575503, 41762547, 83009507, 97445943, 106726509, 125287641, 249028521, 292337829, 320179527, 747085563, 877013487, 960538581, 2241256689, 2881615743, 6723770067, 20171310201]

約数ペア:

[(1, 20171310201), (3, 6723770067), (7, 2881615743), (9, 2241256689), (21, 960538581), (23, 877013487), (27, 747085563), (63, 320179527), (69, 292337829), (81, 249028521), (161, 125287641), (189, 106726509), (207, 97445943), (243, 83009507), (483, 41762547), (567, 35575503), (621, 32481981), (1449, 13920849), (1701, 11858501), (1863, 10827327), (4347, 4640283), (5589, 3609109), (13041, 1546761), (39123, 515587)]