20717848

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 40946400

約数和(自身を除く): 20228552

約数列:

[1, 2, 4, 8, 23, 46, 92, 109, 184, 218, 436, 872, 1033, 2066, 2507, 4132, 5014, 8264, 10028, 20056, 23759, 47518, 95036, 112597, 190072, 225194, 450388, 900776, 2589731, 5179462, 10358924, 20717848]

約数ペア:

[(1, 20717848), (2, 10358924), (4, 5179462), (8, 2589731), (23, 900776), (46, 450388), (92, 225194), (109, 190072), (184, 112597), (218, 95036), (436, 47518), (872, 23759), (1033, 20056), (2066, 10028), (2507, 8264), (4132, 5014)]