20859208030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{34195423}}^1$

素因数の和:34195491

約数の個数: 16

約数和(自身を含む): 38162093184

約数和(自身を除く): 17302885154

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 34195423, 68390846, 170977115, 341954230, 2085920803, 4171841606, 10429604015, 20859208030]

約数ペア:

[(1, 20859208030), (2, 10429604015), (5, 4171841606), (10, 2085920803), (61, 341954230), (122, 170977115), (305, 68390846), (610, 34195423)]