20178698937

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1\times {\mathrm{1429}}^1$

素因数の和:2093

約数の個数: 32

約数和(自身を含む): 27557038080

約数和(自身を除く): 7378339143

約数列:

[1, 3, 67, 163, 201, 431, 489, 1293, 1429, 4287, 10921, 28877, 32763, 70253, 86631, 95743, 210759, 232927, 287229, 615899, 698781, 1847697, 4706951, 14120853, 15606109, 41265233, 46818327, 100391537, 123795699, 301174611, 6726232979, 20178698937]

約数ペア:

[(1, 20178698937), (3, 6726232979), (67, 301174611), (163, 123795699), (201, 100391537), (431, 46818327), (489, 41265233), (1293, 15606109), (1429, 14120853), (4287, 4706951), (10921, 1847697), (28877, 698781), (32763, 615899), (70253, 287229), (86631, 232927), (95743, 210759)]