20870030

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4357}}^1$

素因数の和:4843

約数の個数: 16

約数和(自身を含む): 37653120

約数和(自身を除く): 16783090

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4357, 4790, 8714, 21785, 43570, 2087003, 4174006, 10435015, 20870030]

約数ペア:

[(1, 20870030), (2, 10435015), (5, 4174006), (10, 2087003), (479, 43570), (958, 21785), (2395, 8714), (4357, 4790)]