20216927825

素因数分解:

$5^2\times {\mathrm{49823}}^1\times {\mathrm{16231}}^1$

素因数の和:66064

約数の個数: 12

約数和(自身を含む): 25071038208

約数和(自身を除く): 4854110383

約数列:

[1, 5, 25, 16231, 49823, 81155, 249115, 405775, 1245575, 808677113, 4043385565, 20216927825]

約数ペア:

[(1, 20216927825), (5, 4043385565), (25, 808677113), (16231, 1245575), (49823, 405775), (81155, 249115)]