20028404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41381}}^1$

素因数の和:41407

約数の個数: 18

約数和(自身を含む): 38526642

約数和(自身を除く): 18498238

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41381, 82762, 165524, 455191, 910382, 1820764, 5007101, 10014202, 20028404]

約数ペア:

[(1, 20028404), (2, 10014202), (4, 5007101), (11, 1820764), (22, 910382), (44, 455191), (121, 165524), (242, 82762), (484, 41381)]