20775916

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4289}}^1$

素因数の和:4473

約数の個数: 24

約数和(自身を含む): 41801760

約数和(自身を除く): 21025844

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4289, 4844, 8578, 17156, 30023, 60046, 120092, 741997, 1483994, 2967988, 5193979, 10387958, 20775916]

約数ペア:

[(1, 20775916), (2, 10387958), (4, 5193979), (7, 2967988), (14, 1483994), (28, 741997), (173, 120092), (346, 60046), (692, 30023), (1211, 17156), (2422, 8578), (4289, 4844)]