20709486

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54787}}^1$

素因数の和:54805

約数の個数: 32

約数和(自身を含む): 52596480

約数和(自身を除く): 31886994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54787, 109574, 164361, 328722, 383509, 493083, 767018, 986166, 1150527, 1479249, 2301054, 2958498, 3451581, 6903162, 10354743, 20709486]

約数ペア:

[(1, 20709486), (2, 10354743), (3, 6903162), (6, 3451581), (7, 2958498), (9, 2301054), (14, 1479249), (18, 1150527), (21, 986166), (27, 767018), (42, 493083), (54, 383509), (63, 328722), (126, 164361), (189, 109574), (378, 54787)]