20588425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 30225744

約数和(自身を除く): 9637319

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 443, 715, 845, 1859, 2215, 3575, 4225, 4873, 5759, 9295, 11075, 24365, 28795, 46475, 63349, 74867, 121825, 143975, 316745, 374335, 823537, 1583725, 1871675, 4117685, 20588425]

約数ペア:

[(1, 20588425), (5, 4117685), (11, 1871675), (13, 1583725), (25, 823537), (55, 374335), (65, 316745), (143, 143975), (169, 121825), (275, 74867), (325, 63349), (443, 46475), (715, 28795), (845, 24365), (1859, 11075), (2215, 9295), (3575, 5759), (4225, 4873)]