20172089903

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2685673}}^1$

素因数の和:2685746

約数の個数: 16

約数和(自身を含む): 24493346880

約数和(自身を除く): 4321256977

約数列:

[1, 7, 29, 37, 203, 259, 1073, 7511, 2685673, 18799711, 77884517, 99369901, 545191619, 695589307, 2881727129, 20172089903]

約数ペア:

[(1, 20172089903), (7, 2881727129), (29, 695589307), (37, 545191619), (203, 99369901), (259, 77884517), (1073, 18799711), (7511, 2685673)]