20794930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8419}}^1$

素因数の和:8458

約数の個数: 32

約数和(自身を含む): 42436800

約数和(自身を除く): 21641870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8419, 16838, 42095, 84190, 109447, 159961, 218894, 319922, 547235, 799805, 1094470, 1599610, 2079493, 4158986, 10397465, 20794930]

約数ペア:

[(1, 20794930), (2, 10397465), (5, 4158986), (10, 2079493), (13, 1599610), (19, 1094470), (26, 799805), (38, 547235), (65, 319922), (95, 218894), (130, 159961), (190, 109447), (247, 84190), (494, 42095), (1235, 16838), (2470, 8419)]