20211351935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{338237}}^1$

素因数の和:338315

約数の個数: 32

約数和(自身を含む): 27762575040

約数和(自身を除く): 7551223105

約数列:

[1, 5, 17, 19, 37, 85, 95, 185, 323, 629, 703, 1615, 3145, 3515, 11951, 59755, 338237, 1691185, 5750029, 6426503, 12514769, 28750145, 32132515, 62573845, 109250551, 212751073, 237780611, 546252755, 1063755365, 1188903055, 4042270387, 20211351935]

約数ペア:

[(1, 20211351935), (5, 4042270387), (17, 1188903055), (19, 1063755365), (37, 546252755), (85, 237780611), (95, 212751073), (185, 109250551), (323, 62573845), (629, 32132515), (703, 28750145), (1615, 12514769), (3145, 6426503), (3515, 5750029), (11951, 1691185), (59755, 338237)]