207864260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{253493}}^1$

素因数の和:253543

約数の個数: 24

約数和(自身を含む): 447163416

約数和(自身を除く): 239299156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 253493, 506986, 1013972, 1267465, 2534930, 5069860, 10393213, 20786426, 41572852, 51966065, 103932130, 207864260]

約数ペア:

[(1, 207864260), (2, 103932130), (4, 51966065), (5, 41572852), (10, 20786426), (20, 10393213), (41, 5069860), (82, 2534930), (164, 1267465), (205, 1013972), (410, 506986), (820, 253493)]