20411937

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24923}}^1$

素因数の和:24949

約数の個数: 24

約数和(自身を含む): 36289344

約数和(自身を除く): 15877407

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24923, 74769, 174461, 224307, 323999, 523383, 971997, 1570149, 2267993, 2915991, 6803979, 20411937]

約数ペア:

[(1, 20411937), (3, 6803979), (7, 2915991), (9, 2267993), (13, 1570149), (21, 971997), (39, 523383), (63, 323999), (91, 224307), (117, 174461), (273, 74769), (819, 24923)]