20638168624

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{863}}^1\times {\mathrm{28201}}^1$

素因数の和:29125

約数の個数: 40

約数和(自身を含む): 40789567872

約数和(自身を除く): 20151399248

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 863, 1726, 3452, 6904, 13808, 28201, 45739, 56402, 91478, 112804, 182956, 225608, 365912, 451216, 731824, 1494653, 2989306, 5978612, 11957224, 23914448, 24337463, 48674926, 97349852, 194699704, 389399408, 1289885539, 2579771078, 5159542156, 10319084312, 20638168624]

約数ペア:

[(1, 20638168624), (2, 10319084312), (4, 5159542156), (8, 2579771078), (16, 1289885539), (53, 389399408), (106, 194699704), (212, 97349852), (424, 48674926), (848, 24337463), (863, 23914448), (1726, 11957224), (3452, 5978612), (6904, 2989306), (13808, 1494653), (28201, 731824), (45739, 451216), (56402, 365912), (91478, 225608), (112804, 182956)]