20751428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1069}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 38109120

約数和(自身を除く): 17357692

約数列:

[1, 2, 4, 23, 46, 92, 211, 422, 844, 1069, 2138, 4276, 4853, 9706, 19412, 24587, 49174, 98348, 225559, 451118, 902236, 5187857, 10375714, 20751428]

約数ペア:

[(1, 20751428), (2, 10375714), (4, 5187857), (23, 902236), (46, 451118), (92, 225559), (211, 98348), (422, 49174), (844, 24587), (1069, 19412), (2138, 9706), (4276, 4853)]