20189704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3089}}^1$

素因数の和:3157

約数の個数: 32

約数和(自身を含む): 40788000

約数和(自身を除く): 20598296

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3089, 3268, 6178, 6536, 12356, 24712, 58691, 117382, 132827, 234764, 265654, 469528, 531308, 1062616, 2523713, 5047426, 10094852, 20189704]

約数ペア:

[(1, 20189704), (2, 10094852), (4, 5047426), (8, 2523713), (19, 1062616), (38, 531308), (43, 469528), (76, 265654), (86, 234764), (152, 132827), (172, 117382), (344, 58691), (817, 24712), (1634, 12356), (3089, 6536), (3268, 6178)]