20194649990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1\times {\mathrm{20807}}^1$

素因数の和:22252

約数の個数: 32

約数和(自身を含む): 36891085824

約数和(自身を除く): 16696435834

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1367, 2734, 6835, 13670, 20807, 41614, 97057, 104035, 194114, 208070, 485285, 970570, 1477297, 2954594, 7386485, 14772970, 28443169, 56886338, 142215845, 284431690, 2019464999, 4038929998, 10097324995, 20194649990]

約数ペア:

[(1, 20194649990), (2, 10097324995), (5, 4038929998), (10, 2019464999), (71, 284431690), (142, 142215845), (355, 56886338), (710, 28443169), (1367, 14772970), (2734, 7386485), (6835, 2954594), (13670, 1477297), (20807, 970570), (41614, 485285), (97057, 208070), (104035, 194114)]