20051522

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1105

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 10637758

約数列:

[1, 2, 89, 127, 178, 254, 887, 1774, 11303, 22606, 78943, 112649, 157886, 225298, 10025761, 20051522]

約数ペア:

[(1, 20051522), (2, 10025761), (89, 225298), (127, 157886), (178, 112649), (254, 78943), (887, 22606), (1774, 11303)]