20886306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{977}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 47882880

約数和(自身を除く): 26996574

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509, 977, 1018, 1527, 1954, 2931, 3054, 3563, 5862, 6839, 7126, 10689, 13678, 20517, 21378, 41034, 497293, 994586, 1491879, 2983758, 3481051, 6962102, 10443153, 20886306]

約数ペア:

[(1, 20886306), (2, 10443153), (3, 6962102), (6, 3481051), (7, 2983758), (14, 1491879), (21, 994586), (42, 497293), (509, 41034), (977, 21378), (1018, 20517), (1527, 13678), (1954, 10689), (2931, 7126), (3054, 6839), (3563, 5862)]