20927401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 24006528

約数和(自身を除く): 3079127

約数列:

[1, 11, 23, 181, 253, 457, 1991, 4163, 5027, 10511, 45793, 82717, 115621, 909887, 1902491, 20927401]

約数ペア:

[(1, 20927401), (11, 1902491), (23, 909887), (181, 115621), (253, 82717), (457, 45793), (1991, 10511), (4163, 5027)]