20569978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 36796032

約数和(自身を除く): 16226054

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1013, 1562, 1846, 2026, 10153, 11143, 13169, 20306, 22286, 26338, 71923, 143846, 144859, 289718, 791153, 934999, 1582306, 1869998, 10284989, 20569978]

約数ペア:

[(1, 20569978), (2, 10284989), (11, 1869998), (13, 1582306), (22, 934999), (26, 791153), (71, 289718), (142, 144859), (143, 143846), (286, 71923), (781, 26338), (923, 22286), (1013, 20306), (1562, 13169), (1846, 11143), (2026, 10153)]