20127436

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1118

約数の個数: 36

約数和(自身を含む): 41413008

約数和(自身を除く): 21285572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 997, 1442, 1994, 2884, 3988, 5047, 6979, 10094, 13958, 20188, 27916, 48853, 97706, 102691, 195412, 205382, 410764, 718837, 1437674, 2875348, 5031859, 10063718, 20127436]

約数ペア:

[(1, 20127436), (2, 10063718), (4, 5031859), (7, 2875348), (14, 1437674), (28, 718837), (49, 410764), (98, 205382), (103, 195412), (196, 102691), (206, 97706), (412, 48853), (721, 27916), (997, 20188), (1442, 13958), (1994, 10094), (2884, 6979), (3988, 5047)]