20137375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2355

約数の個数: 16

約数和(自身を含む): 25496640

約数和(自身を除く): 5359265

約数列:

[1, 5, 25, 71, 125, 355, 1775, 2269, 8875, 11345, 56725, 161099, 283625, 805495, 4027475, 20137375]

約数ペア:

[(1, 20137375), (5, 4027475), (25, 805495), (71, 283625), (125, 161099), (355, 56725), (1775, 11345), (2269, 8875)]