20199366896

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18842693}}^1$

素因数の和:18842768

約数の個数: 20

約数和(自身を含む): 39720398952

約数和(自身を除く): 19521032056

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18842693, 37685386, 75370772, 150741544, 301483088, 1262460431, 2524920862, 5049841724, 10099683448, 20199366896]

約数ペア:

[(1, 20199366896), (2, 10099683448), (4, 5049841724), (8, 2524920862), (16, 1262460431), (67, 301483088), (134, 150741544), (268, 75370772), (536, 37685386), (1072, 18842693)]