20318881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 22720320

約数和(自身を除く): 2401439

約数列:

[1, 11, 97, 137, 139, 1067, 1507, 1529, 13289, 13483, 19043, 146179, 148313, 209473, 1847171, 20318881]

約数ペア:

[(1, 20318881), (11, 1847171), (97, 209473), (137, 148313), (139, 146179), (1067, 19043), (1507, 13483), (1529, 13289)]