20216103340

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{683}}^1\times {\mathrm{2657}}^1$

素因数の和:3906

約数の個数: 48

約数和(自身を含む): 42608335392

約数和(自身を除く): 22392232052

約数列:

[1, 2, 4, 5, 10, 20, 557, 683, 1114, 1366, 2228, 2657, 2732, 2785, 3415, 5314, 5570, 6830, 10628, 11140, 13285, 13660, 26570, 53140, 380431, 760862, 1479949, 1521724, 1814731, 1902155, 2959898, 3629462, 3804310, 5919796, 7258924, 7399745, 7608620, 9073655, 14799490, 18147310, 29598980, 36294620, 1010805167, 2021610334, 4043220668, 5054025835, 10108051670, 20216103340]

約数ペア:

[(1, 20216103340), (2, 10108051670), (4, 5054025835), (5, 4043220668), (10, 2021610334), (20, 1010805167), (557, 36294620), (683, 29598980), (1114, 18147310), (1366, 14799490), (2228, 9073655), (2657, 7608620), (2732, 7399745), (2785, 7258924), (3415, 5919796), (5314, 3804310), (5570, 3629462), (6830, 2959898), (10628, 1902155), (11140, 1814731), (13285, 1521724), (13660, 1479949), (26570, 760862), (53140, 380431)]