424302020

素因数分解:

$2^2\times 5^1\times {\mathrm{21215101}}^1$

素因数の和:21215110

約数の個数: 12

約数和(自身を含む): 891034284

約数和(自身を除く): 466732264

約数列:

[1, 2, 4, 5, 10, 20, 21215101, 42430202, 84860404, 106075505, 212151010, 424302020]

約数ペア:

[(1, 424302020), (2, 212151010), (4, 106075505), (5, 84860404), (10, 42430202), (20, 21215101)]