20812246

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 38703168

約数和(自身を除く): 17890922

約数列:

[1, 2, 7, 13, 14, 26, 91, 173, 182, 346, 661, 1211, 1322, 2249, 2422, 4498, 4627, 8593, 9254, 15743, 17186, 31486, 60151, 114353, 120302, 228706, 800471, 1486589, 1600942, 2973178, 10406123, 20812246]

約数ペア:

[(1, 20812246), (2, 10406123), (7, 2973178), (13, 1600942), (14, 1486589), (26, 800471), (91, 228706), (173, 120302), (182, 114353), (346, 60151), (661, 31486), (1211, 17186), (1322, 15743), (2249, 9254), (2422, 8593), (4498, 4627)]