20155855555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{30557}}^1$

素因数の和:30819

約数の個数: 32

約数和(自身を含む): 26930154240

約数和(自身を除く): 6774298685

約数列:

[1, 5, 11, 55, 67, 179, 335, 737, 895, 1969, 3685, 9845, 11993, 30557, 59965, 131923, 152785, 336127, 659615, 1680635, 2047319, 5469703, 10236595, 22520509, 27348515, 60166733, 112602545, 300833665, 366470101, 1832350505, 4031171111, 20155855555]

約数ペア:

[(1, 20155855555), (5, 4031171111), (11, 1832350505), (55, 366470101), (67, 300833665), (179, 112602545), (335, 60166733), (737, 27348515), (895, 22520509), (1969, 10236595), (3685, 5469703), (9845, 2047319), (11993, 1680635), (30557, 659615), (59965, 336127), (131923, 152785)]