20452563

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 30990960

約数和(自身を除く): 10538397

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1289, 1763, 3867, 5289, 11601, 15867, 52849, 55427, 158547, 166281, 475641, 498843, 2272507, 6817521, 20452563]

約数ペア:

[(1, 20452563), (3, 6817521), (9, 2272507), (41, 498843), (43, 475641), (123, 166281), (129, 158547), (369, 55427), (387, 52849), (1289, 15867), (1763, 11601), (3867, 5289)]