20210875388

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{337}}^1\times {\mathrm{123911}}^1$

素因数の和:124274

約数の個数: 36

約数和(自身を含む): 38992380336

約数和(自身を除く): 18781504948

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 337, 484, 674, 1348, 3707, 7414, 14828, 40777, 81554, 123911, 163108, 247822, 495644, 1363021, 2726042, 5452084, 14993231, 29986462, 41758007, 59972924, 83516014, 167032028, 459338077, 918676154, 1837352308, 5052718847, 10105437694, 20210875388]

約数ペア:

[(1, 20210875388), (2, 10105437694), (4, 5052718847), (11, 1837352308), (22, 918676154), (44, 459338077), (121, 167032028), (242, 83516014), (337, 59972924), (484, 41758007), (674, 29986462), (1348, 14993231), (3707, 5452084), (7414, 2726042), (14828, 1363021), (40777, 495644), (81554, 247822), (123911, 163108)]