220142923

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19993}}^1$

素因数の和:20035

約数の個数: 24

約数和(自身を含む): 297830624

約数和(自身を除く): 77687701

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 11011, 19993, 139951, 219923, 259909, 1539461, 1819363, 2419153, 2858999, 16934071, 20012993, 31448989, 220142923]

約数ペア:

[(1, 220142923), (7, 31448989), (11, 20012993), (13, 16934071), (77, 2858999), (91, 2419153), (121, 1819363), (143, 1539461), (847, 259909), (1001, 219923), (1573, 139951), (11011, 19993)]