20502918

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67003}}^1$

素因数の和:67028

約数の個数: 24

約数和(自身を含む): 47036808

約数和(自身を除く): 26533890

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67003, 134006, 201009, 402018, 603027, 1139051, 1206054, 2278102, 3417153, 6834306, 10251459, 20502918]

約数ペア:

[(1, 20502918), (2, 10251459), (3, 6834306), (6, 3417153), (9, 2278102), (17, 1206054), (18, 1139051), (34, 603027), (51, 402018), (102, 201009), (153, 134006), (306, 67003)]