20604837

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 31215744

約数和(自身を除く): 10610907

約数列:

[1, 3, 11, 33, 41, 97, 123, 157, 291, 451, 471, 1067, 1353, 1727, 3201, 3977, 5181, 6437, 11931, 15229, 19311, 43747, 45687, 70807, 131241, 167519, 212421, 502557, 624389, 1873167, 6868279, 20604837]

約数ペア:

[(1, 20604837), (3, 6868279), (11, 1873167), (33, 624389), (41, 502557), (97, 212421), (123, 167519), (157, 131241), (291, 70807), (451, 45687), (471, 43747), (1067, 19311), (1353, 15229), (1727, 11931), (3201, 6437), (3977, 5181)]