20787003657

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19408967}}^1$

素因数の和:19408997

約数の個数: 24

約数和(自身を含む): 36333588096

約数和(自身を除く): 15546584439

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19408967, 58226901, 135862769, 174680703, 329952439, 407588307, 989857317, 1222764921, 2309667073, 2969571951, 6929001219, 20787003657]

約数ペア:

[(1, 20787003657), (3, 6929001219), (7, 2969571951), (9, 2309667073), (17, 1222764921), (21, 989857317), (51, 407588307), (63, 329952439), (119, 174680703), (153, 135862769), (357, 58226901), (1071, 19408967)]