20163337240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2389021}}^1$

素因数の和:2389243

約数の個数: 32

約数和(自身を含む): 45582539760

約数和(自身を除く): 25419202520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 2389021, 4778042, 9556084, 11945105, 19112168, 23890210, 47780420, 95560840, 504083431, 1008166862, 2016333724, 2520417155, 4032667448, 5040834310, 10081668620, 20163337240]

約数ペア:

[(1, 20163337240), (2, 10081668620), (4, 5040834310), (5, 4032667448), (8, 2520417155), (10, 2016333724), (20, 1008166862), (40, 504083431), (211, 95560840), (422, 47780420), (844, 23890210), (1055, 19112168), (1688, 11945105), (2110, 9556084), (4220, 4778042), (8440, 2389021)]