20451574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 16449290

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1663, 3326, 6149, 12298, 18293, 21619, 36586, 43238, 71509, 143018, 237809, 475618, 786599, 929617, 1573198, 1859234, 10225787, 20451574]

約数ペア:

[(1, 20451574), (2, 10225787), (11, 1859234), (13, 1573198), (22, 929617), (26, 786599), (43, 475618), (86, 237809), (143, 143018), (286, 71509), (473, 43238), (559, 36586), (946, 21619), (1118, 18293), (1663, 12298), (3326, 6149)]