20161788845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15938173}}^1$

素因数の和:15938212

約数の個数: 16

約数和(自身を含む): 27541164672

約数和(自身を除く): 7379375827

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15938173, 79690865, 175319903, 366577979, 876599515, 1832889895, 4032357769, 20161788845]

約数ペア:

[(1, 20161788845), (5, 4032357769), (11, 1832889895), (23, 876599515), (55, 366577979), (115, 175319903), (253, 79690865), (1265, 15938173)]