202020904

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{245171}}^1$

素因数の和:245280

約数の個数: 16

約数和(自身を含む): 382468320

約数和(自身を除く): 180447416

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 245171, 490342, 980684, 1961368, 25252613, 50505226, 101010452, 202020904]

約数ペア:

[(1, 202020904), (2, 101010452), (4, 50505226), (8, 25252613), (103, 1961368), (206, 980684), (412, 490342), (824, 245171)]