20476775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 29164800

約数和(自身を除く): 8688025

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3919, 5225, 19595, 43109, 74461, 97975, 215545, 372305, 819071, 1077725, 1861525, 4095355, 20476775]

約数ペア:

[(1, 20476775), (5, 4095355), (11, 1861525), (19, 1077725), (25, 819071), (55, 372305), (95, 215545), (209, 97975), (275, 74461), (475, 43109), (1045, 19595), (3919, 5225)]