20727189

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10613}}^1$

素因数の和:10657

約数の個数: 24

約数和(自身を含む): 35323392

約数和(自身を除く): 14596203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10613, 31839, 74291, 95517, 222873, 329003, 668619, 987009, 2303021, 2961027, 6909063, 20727189]

約数ペア:

[(1, 20727189), (3, 6909063), (7, 2961027), (9, 2303021), (21, 987009), (31, 668619), (63, 329003), (93, 222873), (217, 95517), (279, 74291), (651, 31839), (1953, 10613)]