20166457927

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1\times {\mathrm{12659}}^1$

素因数の和:13911

約数の個数: 32

約数和(自身を含む): 26645552640

約数和(自身を除く): 6479094713

約数列:

[1, 7, 11, 17, 77, 119, 187, 1217, 1309, 8519, 12659, 13387, 20689, 88613, 93709, 139249, 144823, 215203, 227579, 974743, 1506421, 1593053, 2367233, 15406003, 16570631, 107842021, 169466033, 261902051, 1186262231, 1833314357, 2880922561, 20166457927]

約数ペア:

[(1, 20166457927), (7, 2880922561), (11, 1833314357), (17, 1186262231), (77, 261902051), (119, 169466033), (187, 107842021), (1217, 16570631), (1309, 15406003), (8519, 2367233), (12659, 1593053), (13387, 1506421), (20689, 974743), (88613, 227579), (93709, 215203), (139249, 144823)]