201620794544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{969330743}}^1$

素因数の和:969330764

約数の個数: 20

約数和(自身を含む): 420689542896

約数和(自身を除く): 219068748352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 969330743, 1938661486, 3877322972, 7754645944, 12601299659, 15509291888, 25202599318, 50405198636, 100810397272, 201620794544]

約数ペア:

[(1, 201620794544), (2, 100810397272), (4, 50405198636), (8, 25202599318), (13, 15509291888), (16, 12601299659), (26, 7754645944), (52, 3877322972), (104, 1938661486), (208, 969330743)]