20169175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 27151040

約数和(自身を除く): 6981865

約数列:

[1, 5, 13, 25, 65, 229, 271, 325, 1145, 1355, 2977, 3523, 5725, 6775, 14885, 17615, 62059, 74425, 88075, 310295, 806767, 1551475, 4033835, 20169175]

約数ペア:

[(1, 20169175), (5, 4033835), (13, 1551475), (25, 806767), (65, 310295), (229, 88075), (271, 74425), (325, 62059), (1145, 17615), (1355, 14885), (2977, 6775), (3523, 5725)]