20354090

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 17203990

約数列:

[1, 2, 5, 10, 83, 137, 166, 179, 274, 358, 415, 685, 830, 895, 1370, 1790, 11371, 14857, 22742, 24523, 29714, 49046, 56855, 74285, 113710, 122615, 148570, 245230, 2035409, 4070818, 10177045, 20354090]

約数ペア:

[(1, 20354090), (2, 10177045), (5, 4070818), (10, 2035409), (83, 245230), (137, 148570), (166, 122615), (179, 113710), (274, 74285), (358, 56855), (415, 49046), (685, 29714), (830, 24523), (895, 22742), (1370, 14857), (1790, 11371)]