209980460

素因数分解:

$2^2\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{4547}}^1$

素因数の和:6865

約数の個数: 24

約数和(自身を含む): 441246960

約数和(自身を除く): 231266500

約数列:

[1, 2, 4, 5, 10, 20, 2309, 4547, 4618, 9094, 9236, 11545, 18188, 22735, 23090, 45470, 46180, 90940, 10499023, 20998046, 41996092, 52495115, 104990230, 209980460]

約数ペア:

[(1, 209980460), (2, 104990230), (4, 52495115), (5, 41996092), (10, 20998046), (20, 10499023), (2309, 90940), (4547, 46180), (4618, 45470), (9094, 23090), (9236, 22735), (11545, 18188)]