20804938330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{208529}}^1$

素因数の和:209454

約数の個数: 32

約数和(自身を含む): 40898571840

約数和(自身を除く): 20093633510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 907, 1814, 4535, 9070, 9977, 19954, 49885, 99770, 208529, 417058, 1042645, 2085290, 2293819, 4587638, 11469095, 22938190, 189135803, 378271606, 945679015, 1891358030, 2080493833, 4160987666, 10402469165, 20804938330]

約数ペア:

[(1, 20804938330), (2, 10402469165), (5, 4160987666), (10, 2080493833), (11, 1891358030), (22, 945679015), (55, 378271606), (110, 189135803), (907, 22938190), (1814, 11469095), (4535, 4587638), (9070, 2293819), (9977, 2085290), (19954, 1042645), (49885, 417058), (99770, 208529)]