209957260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{101921}}^1$

素因数の和:102033

約数の個数: 24

約数和(自身を含む): 445195296

約数和(自身を除く): 235238036

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 101921, 203842, 407684, 509605, 1019210, 2038420, 10497863, 20995726, 41991452, 52489315, 104978630, 209957260]

約数ペア:

[(1, 209957260), (2, 104978630), (4, 52489315), (5, 41991452), (10, 20995726), (20, 10497863), (103, 2038420), (206, 1019210), (412, 509605), (515, 407684), (1030, 203842), (2060, 101921)]