20438938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{1033}}^1$

素因数の和:1809

約数の個数: 16

約数和(自身を含む): 33092136

約数和(自身を除く): 12653198

約数列:

[1, 2, 13, 26, 761, 1033, 1522, 2066, 9893, 13429, 19786, 26858, 786113, 1572226, 10219469, 20438938]

約数ペア:

[(1, 20438938), (2, 10219469), (13, 1572226), (26, 786113), (761, 26858), (1033, 19786), (1522, 13429), (2066, 9893)]