168702020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{19571}}^1$

素因数の和:20011

約数の個数: 24

約数和(自身を含む): 355114368

約数和(自身を除く): 186412348

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 19571, 39142, 78284, 97855, 195710, 391420, 8435101, 16870202, 33740404, 42175505, 84351010, 168702020]

約数ペア:

[(1, 168702020), (2, 84351010), (4, 42175505), (5, 33740404), (10, 16870202), (20, 8435101), (431, 391420), (862, 195710), (1724, 97855), (2155, 78284), (4310, 39142), (8620, 19571)]