420228464

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{254993}}^1$

素因数の和:255104

約数の個数: 20

約数和(自身を含む): 822100656

約数和(自身を除く): 401872192

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 254993, 509986, 1019972, 2039944, 4079888, 26264279, 52528558, 105057116, 210114232, 420228464]

約数ペア:

[(1, 420228464), (2, 210114232), (4, 105057116), (8, 52528558), (16, 26264279), (103, 4079888), (206, 2039944), (412, 1019972), (824, 509986), (1648, 254993)]