20588225

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 29605248

約数和(自身を除く): 9017023

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1657, 1775, 2485, 8285, 11599, 12425, 41425, 57995, 117647, 289975, 588235, 823529, 2941175, 4117645, 20588225]

約数ペア:

[(1, 20588225), (5, 4117645), (7, 2941175), (25, 823529), (35, 588235), (71, 289975), (175, 117647), (355, 57995), (497, 41425), (1657, 12425), (1775, 11599), (2485, 8285)]